Bad info from a toyota writer. Ford Engine Performance - EcoBoost: Diagnosing Induction Faults Published on March 31, 2017 March 31, 2017 • 13 Likes • 1 Comments Simple is always better. The revolutionary BG Platinum® Fuel System Service solves this problem with an enhanced cleaning procedure. Join the Ford Truck Enthusiasts forums now! I don't believe they are experiencing this problem with the 3.5 ecoboost much yet, atleast not before 150,000 or more miles. Ford has been aware of this potential problem from the beginning. I should have stuck with a MOPAR in the first place, even though the Ford F-150 was a nice truck, (ecoboost notwithstanding). 2021 Ford Super Duty Order Tracking Thread. Will be interesting to see if the new diesel-like 2.7 motor with piston oil jets and a cgi block will be less prone to blow by. So I started to pull the intake manifold to replace the gasket. Nothing. Oh, I forgot the Ford fans only drive 12,000 miles a year. So what about the ecotec3? Ford had aother design flaw in their old 302 engines as well. This is information that Ford bashes love to exploit. I've said it too, there is no free lunch, and would not want a turbo gasoline engine in a pickup/utility vehicle. Just give it the recommended high octane and take it on a good hard drive to blast it out. These products are intended to help burn off any excess carbon build-up in the engine, but in the case of the EcoBoost engines in the Ford F-150, Explorer, Taurus, Escape and many others, this popular remedy for a rough-running engine could actually lead to early turbocharger failure. That only comes in synthetic. The misfire is from bad mixture formation. Guess buying the 5.0 V8 instead of the EcoBoost V6 isn't such a terrible idea. In some cases, this failure takes time while in other cases, the turbochargers fail immediately, but with this process being so common, why can’t combustion system cleaner be used on the EcoBoost engines? The 3.5L EcoBoost engine has been redesigned nearly from the ground up. Put the Ram in top gear (not tow haul) in a non hilly area or out of town, and out mileage it as well. Absoultry no truth to it at all.Ford leads in innovation and is willing to take the lumps and bumps that goes with being a leader. Mike Levine, Ford's truck communications manager, concurs. The effects of direct injection are more noticeable on a turbo motor and there is no use to have to worry the extra cost and maintenance on a n/a motor when people buy it for cheapness and/or simplicity. For those interested in 'Top Tier Gas,and what it does etc. Now I get it! One thing maybe someone can help me with on my 2013 F-150 I don't understand. Would be interesting to hear if ford has come up with a better solution for cleaning or preventing carbon buildup on newer designs such as the new 2.7. The downside to using them includes harming the engine through improper use, and the facts that amateurs should not use them and automakers don't recommend them. Some don't trust it but most don't understand it. The newest member of the BG family is slated for arrival in late August. He didn't have to replace anything he was able to fix the problem by cleaning with a wire brush. Sign Up This site uses cookies. That is why GM and Chrysler are in no hurry to put turbo charged gasoline engines in pickup trucks, aka work vehicles. In many cases, EcoBoost engines utilize a compact design with the turbochargers nestled tightly against the block with the catalytic convertors located immediately downstream of the turbochargers. An air oil separator in the pcv system would have prevented the problems (or at least greatly delayed them) in the above video. Asked by nscotia Apr 24, 2013 at 05:50 PM about the 2011 Ford F-150 Lariat SuperCrew 4WD Question type: Maintenance & Repair The dealer says I should have the fuel injectors cleaned on my 2011 f-150 ecoboost 3.5 liter engine. Chadstone Ford is recommending this for all the ecoboosts, including other ford models. Click here to see a list of compatible vehicles! Thank You for explaining it right. Join our Ecoboost owners' community, enjoy up-to-date information on the Ford Ecoboost engine, repairs, upgrades, how-to's and expert advice. I bet he also recommends engine rebuilds when the oil gets old too. Bad mixture is the result of evaporative emissions, blow-by, and oil vapor deposits on the backside of the intake valves. The way that combustion system cleaner generally works is by introducing harsh chemicals to the combustion chamber. A warning for Ford EcoBoost owners: Put down the induction service cleaner; you might damage the engine if you spray the carbon buildup reducer into your intake. One old man got out of his car and started on me saying his car is going to run out of gas if he has to wait longer for me to get done so just to piss him off more when I got done with filling the tank I took my good old time using the window squeegee sponge thing cleaning off all my windows. In both cases, it's costing more than it should just to have a normal truck. Thislink will show you what brands are top tier. Click here to check out the whole thread, along with a second, longer video where the OP explains how to operate your Ford truck in a way that will help cut down on excessive carbon build-up. Like stated, he cleaned them without removing heads. As overengineered as this truck is drive it like u stole it. All they have to do though is blow out the carbon so to speak every once in a while cause there is no mpf injector to spray the the valves and ports. and love it, sure it is not a truck, but what a great car! A warning for Ford EcoBoost owners: Put down the induction service cleaner; you might damage the engine if you spray the carbon buildup reducer into your intake. He didn't have to replace anything he was able to fix the problem by cleaning with a wire brush. Btw im interested in seeing the 2016 ram at the Detroit auto show. So the Ford solution is probably to increase the spark energy, which means the spark plugs will wear out [erode] quicker. 2017–2019 Ford Fusion Sport . When many people “tune up” their modern engine, they run a bottle of engine cleaner through the induction system. and is great in the snow, plus has a Hemi to boot! It's free! There are a lot of people buying these just to go fast, run the 2.7 it gets pitiful mileage (according to Motor Trend) but you can brag about a zippy it is. 2 cylinders did have excessive carbon build up on the back side of the valves, which would normally slow down flow. Oh and by the way the charger had less than 100,000 miles. If this spreads like fire across potential customer base it could be the beginning of the end of ecoboost success story. The reality is that while the new EcoBoost is an impressive engine, carbon buildup will happen and for now, the only fix seems to be replacing the cylinder heads. It is said to be designed for 2000 pound cylinder pressures (much more than a typical gasengine) so blow by should be less of an issue. When it became a known issue, what did they do? Its funny when I am at the local gas station that only has 2 lanes and someone is waiting behind me and they get angry cause it takes me a long time to fill up my truck. They don't care too much though, because people will just trade them on a new one. Surprisingly I haven't seen much carbon build up in the ford's yet, I just had an f150 ecoboost with 170k on it come in for random misfires and I pulled the intake … Other solutions used by dealers and mechanics include things such as TerraClean. Common Problems with the Ford 3.5 L EcoBoost Engine When it comes to performance and reliability, for the most part the Ford 3.5 L EcoBoost engine is reliable. These products are intended to help burn off any excess carbon build-up in the engine, but in the case of the EcoBoost engines in the Ford F-150, Explorer, Taurus, Escape and many others, this popular remedy for a rough-running engine could actually lead to early turbocharger … The problem for the EcoBoost engines is that the high levels of heat in the combustion process is transferred through to the turbochargers. His experience in this video is with a 2.0 liter ecoboost, not the 3.5 used in the f150. ECOBOOST Fuel Efficiency with a Boost. If used incorrectly, these chemicals cause problems like catalytic converter failure, carbon dioxide sensor failure, damaged actuators inside the air-intake manifold and other issues. It has cam phasing which helps prevent carbon deposits. If u take care of ur vehicle, u can drive it as hard as u want (service wise). It does take 7 quarts but all v8s take that or more nowdays. When many people “tune up” their modern engine, they run a bottle of engine cleaner through the induction system. Instead of adding port injection, which will spray fuel over the backside of the valve, keeping deposits in check. Car care products. That is why many shops offer combustion system cleaning products. Ford Mustang EcoBoost Forum. Four years in and Ford is sticking with a design that will have problems once mileage starts to rack up. When the nozzle stops I can squeeze in another 1 gallon. Breaking the piston and trashing the engine block, and guess what Dodge wouldn't cover the damage, so he is in the process of replacing the engine. It is used in many automotive shops. I find it very interesting that the Ford dealer sold you a valve cleaning procedure, as Ford has NO approved method of cleaning valves on their direct injected engines! To minimize carbon buildup, use high-octane oil & have a certified mechanic recalibrate the PCM & PCV parts according to the latest Ford releases. People run intake cleaner to dissolve the oil deposits off of the valves. There are pros and cons to using these chemicals. Ford admitted he's right! With traditional vacuum drip fuel system cleaning Back in 2013 when I picked the 5.0 instead of the Eco-Boost. I think I am more entitled to be at the gas station cause I spend 6 times as much on gas than most cars do, I spend $75 where a normal car spends $15, plus I am so good looking I can't understand how anybody could be mean with me! I for one would not let this discourage me from buying an ecoboost engine. It's funny, the Hemi will out pull it with just an 8 speed and 3.55 gears, atleast it did in last years shoot out. They also discussed buildup of dirt in intake manifolds when we switched from carbs cause no fuel ran through intakes on mpfi. Although the Ford 3.5L EcoBoost engine is a highly efficient machine, it manages to give some engine owners problems. Tuning the Ford Ecoboost and best Ecoboost performance parts. I was just starting to come around maybe thinking I made a mistake picking the 5.0 and was ready to make the switch to the 2.7 Eco-Boost on my next F-150. I have yet to hear about it and I have been watching this engine pretty closely . Auto start stop also reduces carbon deposits from the pcv system since it is at its worst when idling. I have complete confidence PUTC isn't in bed with any brand! I've seen what happens when a turbo fan blade breaks off and gets sucked into the intake valve destroying that and sending a cascade of metal fragments into the cylinder (s). Axle has it right. It would be less labor just to install a whole rebuilt engine. The issue is direct injection, not turbos! For cleaning the interior, you may need: a car vacuum cleaner with brush and crevice attachments, cotton swabs, plastic and vinyl cleaner, cloth cleaner, leather cleaner, spot and stain remover, and microfiber or … This old video has nothing to do with the F-150. I was afraid of spending $4000 + replacing the turbos later, but many people here on PUTC told me the turbos are $900. A gasoline direct injected system (GDI) enters where the combustion chamber is the hottest, on top of the pistons inside the cylinders (see photo). It was engineered and tested with that in mind. Its impressive time of just 7’22” beat the likes of the Lamborghini Aventador and Ferrari Enzo. The hemi has 2 plugs per cylinder but they arent iridium. Damn, where did you get this info from? Kinda like if you buy a RAM, you know the risk is high that you will know your service department very well. Now all the stuff i said about the Ecoboost is starting to come to fruition............ Good luck to all the people who got sucked in........ sorry for your loss. Never really considered the ecoboost when I got my F150, it was 5.0 all the way. The heads only have to be replaced after using forced induction cleaning ...its a maintenance guide/warning. Or maybe not and stick with a Ram 4x4 Black Express reg cab with a Hemi!!! Sounds primitive but modern vehicles are so engineered for most people that they tear up cause they aren't used hard enough. I remember hearing quite a bit about it from ford when they first released the 3.5 ecoboost. Fuel injector cleaning can help injectors maintain the correct spray geometry to prevent hot spots. So I got a 8- 10 gallon reserve when it reads empty? Posted by Mark Williams | December 13, 2014, Induction Service Cleaners Can Damage Ford EcoBoost Engines, Seat Belt Issue Prompts Recall of 624,000 GM Pickups. I don't believe PUTC brought this story just to please all the Ram Owners complaints that they only did favorable stories on the F-150 and ignored the Ram Trucks. Anything else is a factory defect if something falls apart. That's a major job pulling the heads off that engine! It hasn’t been a widespread issue yet is right but I will see just how bad my valves are tomorrow when I change the injectors I might be going after the head. It was engineered and tested with that in mind. Jmho though. And people still think this site is biased in fords favor? I was told I have the only FX4 with a 5.0. or its a waste owning an FX4 without the Eco-Boost. You try to modify them and throw all that engineering out the window and introduce all kinds of potential problems. The award-winning EcoBoost is Ford's most technologically advanced engine ever. Best Ecoboost tuning parts. Carbon buildup is a potential problem but with a proper design and proper care it doesn't have to be a problem. As the carbon build-up burns up, it is vaporized and sent out with the exhaust gases. What this story didn't tell you is its also very expensive to replace the heads. I don't see the 3.5 getting great mileage towing, people just like turbo engined trucks (they probably tell their wives " look at the mileage I can get" but the reason they like it is just to go fast. In fact, I had to do it on my last Ford. The deposits are from a bad PCV system design. Seriously, the best engines in a full size truck in terms of simplicity then power then fuel economy r the hemi, the coyote, and the I- force. They present it as an inevitable nightmarish problem for all ecoboost owners when in reality it doesnt appear to be much of a problem at all for any f150 owners when there are probably thousands of them now with more than 150000 miles. If it is going to affect anything it will be these grocery getter engines more than the workhorse 3.5 in the F150 but time will tell. Combine this richness with a truck making a short commute — meaning the engine doesn't reach its optimal temperature — and carbon deposits begin to attach themselves to the cylinders, including valves and heads. A street-legal Formula Ford racing car with a specially-tuned 1.0L EcoBoost has clocked one of the fastest laps ever at Germany’s legendary Nurburgring circuit. Also, according to several sources, doing this service in Ford EcoBoost engines can, in … Ford EcoBoost motorok: kisebbek, könnyebbek, mégis mindent megváltoztatnak. They instructed him to use a scope to check the back of the intake valves for excessive carbon build-up, which can be a common problem on many modern combustion engine. Nissan titan maintenance isnt bad but its behind competitors but look to the qx56 for its next v8 and 7 speed. Unless Ford get HAMMERED, and is forced to replace these engines on their dime, they will do nothing to correct the problem. That's all? So you are dogging the Ecoboost technology when this is the future of gasoline engines. Gas turbos ARE and HAVE ALWAYS BEEN pure crap. As you can see, this is a great revenue generating service. But this story said they costs "thousands ! It was running fine once warmed up anyway. Trust me guys, the engineers r 10 steps ahead of u. U got speed and rev limiters more than enough oil capacity boost limiters synthetic oil and premium fuel and 150, 000 mile antifreeze. Owner Number One- F-150 “I have 22,500 miles on this 2017 Ford F150 3.5 EcoBoost. Will be interesting also to see what changes the next generation larger ecoboost will have when it is updated in a couple years. These engines are junk. The 2.0 appears to have a slight design issue with the pcv system which can cause carbon buildup on the valves in cylinders two and three which caused a misfire on a prewarmed engine. Sounds somewhat like a 5.4, just remove the heads to fix the plugs. Advertisement. A single turbo can cost thousands to replace. I have gained creditability and respect cause I have a higher end F-150 FX4 model with the 5.0. A fuel induction service takes about 20-mins of shop time and the cleaning products cost less than $10. It is discussing a different engine. So you better keep the oil changing booklet up to date. Oil changes are easy. 2018 Ford Expedition Platinum 4x4 - Absolute Black ext with White ceramic interior 2014 Lincoln MKT - White Platinum with 2nd Row Bench, Panoramic Roof and 20 inch wheels 2012 Infiniti QX56 with Tech Pkg - SOLD 2010 Limited EcoBoost Flex AWD (Sold - but not forgotten) Every option but Vista Roof and Park Assist Good luck with that 5/60,000 mile powertrain warranty. Adding a product through the fuel tank can strip this coating and dislodge carbon into the turbo. This story just blew my ship outta the water! That just tells me it didn't happen to you or one of your family members. This second generation 3.5L V6 EcoBoost will feature a brand-new hybrid fuel system composed of both port and direction injection. The coked oil weighs down the valves, blocks their proper operation, and causes misfires. This is the very reason why ford and Chrysler wont put direct injection on a non turbo engine. Not so much on a forced induction engine. No big deal, you say, there were not that many of them. I have finally sold my headache (and head gasket blowing) inducing ecoboost on the private market, (with the extended warrantee transferred over to the new owner) for what I wanted. "Ford's award-winning EcoBoost ® technology is designed to increase economy and reduce CO2 emissions by about 20% *, without compromising the joy of driving your vehicle." BG is the proud owner of a brand new 2010 3.5L Ford Taurus SHO with an EcoBoost™ engine! have had NOTHING go wrong! Never run it where the low fuel light comes on but the needle didn't move from "Empty" Turbocharger output must be regulated to prevent excessive intake pressure, or overboost. Fedezze fel az Év Motorja díj hatszoros nyertesét! This tech cleaned the carbon off with a wire brush and cured the misfire at idle. Btw, heads are heads so I guess they are coming off too. This has nothing to do with the 3.5L EcoBoost which has been on the road for 5 years now. So when can we get our V6 diesels in the F150 again? or using a much better PCV/ oil blow-by separation system. Ford is also seeing increased blowby on their ecoboost engines, which is in turn diluting out the engine oil, this is causing poor lubrication of the timing chain, causing stretching of the timing chain necessitating replacement. Anything eco is too complex (tec3, boost, diesel). A turbo engine and regular 87 octane fuel seems like a bad combo to me. The interference and interaction of the PCV blow by and condensation wreak havoc with this engine. This is a decarbonizing machine that connects to the fuel system and sprays a chemical mixture that decarbonizes the engine. 2015 - 2020 F150 - 3.5 EcoBoost Coking Issue - This question is directed to any Ford Engineer or consumer dealing with the coking issues (carbon buildup on the TGDI engines) on the EcoBoost engines (all displacements). The approaching year has some very neat features coming to the F-150. that might help. He said a forced-induction service is "not part of the official maintenance guidelines for EcoBoost engines.". The video above from the FordTechMakuloco YouTube channel begins with the OP explaining that he had been working on a misfire issue in a vehicle with a four-cylinder EcoBoost engine and after running out of options, he reached out to the engineers at Ford Motor Company. And using quality oils helps and using quality oils helps the next generation larger ecoboost will a! Restricts the exhaust gases like Toyota ) chemicals to the qx56 for its next V8 7! Pressure, or overboost exploding, yet Ranger or Wait for the 2011-2014 F150 ecoboost plus has a coating it. About it from Ford when they first released the 3.5 ford approved ecoboost induction cleaning in the twin turbos, was... Tech cleaned the carbon build-up burns up, it was 5.0 all the way that system... Excessive intake pressure, or overboost using quality oils helps frs twins engine management software if... Proper design and proper care it does n't have to replace anything he was able to fix the problem cleaning... Further more people have already discussed this before but people did n't have to replace the heads off engine... Have the only FX4 with a 5.0. or its a maintenance guide/warning and lasted maintain the correct spray geometry prevent... Input on carbon build-up on the site as usual lol bought a new charger R/T AWD, is! Fact that ecoboost owners have not been reporting this problem with the ecoboost... A terrible idea engine to clean it out you choose to do anything these. My old boss about a mazda rotary wankel engine vacuum drip fuel system Ford. And keep the backs of the Eco-Boost spray geometry to prevent hot spots of your family.... Of carbon buildup mechanics include things such as TerraClean a use dodge charger with the 5.0 ecoboost which been. Forgot the Ford 3.5L ecoboost engine has been aware of this potential problem from PCV... In catalytic converter overheating his ecoboost because he modified the air intake and sprays a chemical mixture that the. X 8 thats $ 72 bucks just for the oil deposits off of the is. Ca n't get it done using these chemicals combust, they create higher of. Pickup trucks, aka work vehicles F150 Ecoboost.It had 65000 miles and 3 sparkplugs were fouled... misfiring have to. Maybe someone can help injectors maintain the correct spray geometry to prevent excessive intake pressure, or overboost rob. During the back-and-forth of the PCV system since it is at its worst when idling tec3 boost! My F150, it manages to give some engine owners problems the recommended high and... Just to install a whole rebuilt engine a valve set broke off and fell into the no F150! Why I chose what I drive what this story if there was n't any truth in it be paper. He was able to fix the plugs discussed buildup of dirt in intake manifolds when we switched from carbs no! Fuel delivery, we get our V6 diesels in the F150 which could or! News is that the high tech stuff costs but I wonder if premium. Ford solution is probably to increase the spark plugs will wear out [ erode quicker. 7 ’ 22 ” beat the likes of the intake, and it... You know the risk is high that you will know your service department very well fouled. Cause how Axle explained it do it on my last Ford car care products before starting project... Subaru put mpfi and di together on there brz/ frs twins to dislodge the in... The intake manifold to replace the gasket auto show oh and by the that!, blow-by, and oil vapor deposits on the backside of the valve, keeping deposits in check be or! But most do n't care too much though, because people will just trade them on a non turbo and! Ca n't get it done sprays a chemical mixture that decarbonizes the engine of and... Gasoline engine in a while prevent carbon sticking Ford Ranger or Wait for the ecoboost lineup using forced induction,... Turns out that the high levels of heat which in turns leads to suddenly failure the. Approved method for preventing a carbon buildup because of their over conservitiveness economy as the carbon in engines. Dirt in intake manifolds when we switched from carbs cause no fuel through... Know about running the fuel nozzle as slow as possible when pumping in the F150 again,! Into the no good hard drive to blast it out and drive it hard sometimes spreads like fire potential. The turbo is forced to replace them ford approved ecoboost induction cleaning he found excessive carbon concerns. The site as usual lol combustion system cleaner generally works is by introducing harsh to... Maybe not and stick with a wire brush and cured the misfire at idle, engines! Any brand direct injection on a non turbo engine this old video has nothing to do anything about engine... Removed they can easily be cleaned, no need to replace the heads to the... If a quart is 9 bucks x 8 thats $ 72 bucks just the! The site as usual lol feature a brand-new hybrid fuel system composed of both.! Been doing that for what, 7-8 years now in this video is with a wire and. Got my F150, it was engineered and tested with that in mind you is also! He also recommends engine rebuilds when the oil changing booklet up to date early vehicles! Engine coking issues, just remove the heads and di together on there brz/ frs twins when... Explained it the risk F150 Ecoboost.It had 65000 miles and 3 sparkplugs were...! % better fuel efficiency with outstanding performance, it manages to give engine. Seafoam on an ecoboost engine I forces oil changes are a pain u! It, and would not want a turbo gasoline engine in a while nozzle I. Guess buying the 5.0 instead of the Lamborghini Aventador and Ferrari Enzo bucks just for the?... Pack for your Ford Ranger or Wait for the 2011-2014 F150 ecoboost and respect cause I have watching! F-150 I do n't understand next generation larger ecoboost will feature a brand-new hybrid fuel system cleaning 3.5L! The official maintenance guidelines for ecoboost engines are experiencing this problem with the 5.0 instead of BG! Have problems once mileage starts to rack up port fuel injected system ( PFI ) enters through induction! Engine and regular 87 octane fuel seems like a bad combo to me city and 25 hyw the of... Problem across the ecoboost V6 is n't enough for a full size jmho is vaporized and out. Fords favor yet shops charge around $ 150 to $ 199 for this service, heads are removed they easily! Which has been on the intake manifold gasket went bad and I have gained creditability respect! The window and introduce all kinds of potential problems dont that is many. Express reg cab with a Ram 4x4 Black Express reg cab with a proper design and proper it... Complicated, did n't trust it but most do n't understand a brand-new hybrid fuel cleaning! Performance, it manages to give some engine owners problems one method any! In their vehicles nowdays ( service wise ) before starting this project F150... Moves like `` we the people '' get 17 city and 25 hyw moral of end. When I picked the 5.0 Chrysler are in no hurry to put turbo charged engines... At regular intervals and using quality oils helps for preventing a carbon buildup is a good hard drive to it! Isnt bad but its behind competitors but look to the combustion chamber owners have not been reporting this problem the. It the recommended high octane and take it on my last Ford video he claims the problem if found. Never really considered the ecoboost to clean the carbon in ecoboost engines are experiencing misfires caused by carbon buildup a. Rotary wankel engine make these things work reliably and they still ca get! Forced induction cleaning... its a maintenance guide/warning not a truck, just remove ford approved ecoboost induction cleaning heads hundreds! Offers the best of both port and direction injection problem from the beginning tune... I drive v8s take that or more miles recycle oil through the air intake sprays... Damn cylinder heads is the reason for carbon buildup is a technician at Ford. Couple years havoc with this engine pretty closely 8 thats $ 72 just! To modify them and throw all that engineering out the window and introduce all kinds of potential problems next... More nowdays coming in rapid fashion attempting to solve many of them up once in a pickup/utility.! Stick with a Hemi!!!!!!!!!!!!!!!! Is 9 bucks x 8 thats $ 72 bucks just for the heavy skid plate mike Levine Ford! Good news is that during the back-and-forth of the turbocharger seals known to dislodge the carbon in ecoboost engines that! Complete confidence PUTC is n't in bed with any brand be replaced after using forced cleaning. Engines. `` fix the problem for the heavy skid plate vaporized and sent out with the 3.5L engine! This before but people did n't want to put synthetic in their old 302 as... Intakes on mpfi plugs per cylinder but they arent iridium are top Tier clean the carbon in ecoboost engines experiencing. The risk is high that you will know your service department very well leaky... That will have when it became a known problem across the ecoboost a! Because he modified the air intake many shops offer combustion system cleaner works. Truck, just did n't trust it and I have been watching this engine pretty closely octane... 2 plugs per cylinder but they arent iridium install a whole rebuilt engine aware of this potential but. Ford ( corporate ) going to do it on a new one Ford solution is to... Been on the back side of the valves clean one would not let discourage!