You might be wonder which 5.4l Ford engine you have in your car and also which trouble you need to be looking out for. Is it the 3v i m sorry is known for spark plugs breaking off in the cylinder head when you eliminate them or is that the 2v 5.4l the is recognized for shooting loosened spark plugs the end of the cylinder head.

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I know when I an initial bought my 1998 Ford 5.4l ns was perplexed as to which difficulty I to be going to be dealing with in the near future and also how to avoid it.

With some exceptions, the 3v started to come into the market in the F-series trucks roughly 2004. If you have a 5.4l prior to 2004 most likely you have the 2v version.

The easiest means to tell 2v vs. 3v 5.4l Ford engines is to look about the engine bay. If you view “3v” anywhere on the waiting filter real estate or baffles climate you have a 3v. However, if you simply see “Ford Triton 5.4l” and no point out of the “3v” almost everywhere then you likely have the 2v engine. Also, if her truck, car, or van was built before 2004 it has the 2v 5.4l engine and also if you have a 2004 or more recent 5.4l climate you likely have actually the 5.4l 3 valve engine.

Another quick check to call is come look up your VIN number and also find out what “engine code” you have actually by act a quick google search. One critical check, if your coils have a bending in the rubber insulator (that slips over the spark plug) then you have the 2v– if you have actually straight coils (see photo) then you have the 3v. Girlfriend can likewise find out by simply in search of coils for your year make and also model and also seeing if the coils are bent or no (without having actually to remove the coils come verify). Together for usual problems, 2v’s shoot spark plugs out because of lack that threads and also 3v 5.4l’s have spark plugs the break turn off in the cylinder head ~ above removal. 

However, right here is part quick and also easy means to tell in situation you are confused or want to be sure which variation 5.4l you have.

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Related Questions:

1. Inspect Air Filter Housing:

The wait filter real estate on a 2v Ford 5.4l won’t speak anything around how numerous valves it has. If it simply says “Ford Triton” or something follow me those lines climate you have the 2v engine.

However, if it has 3v written on the wait intake housing then you understand it is a 3v engine. Right here is how it mirrors up on a later model 5.4l through the 3v engine.


The 5.4l 2v Ford engines are recognized for shooting the end spark plugs. As soon as replacing the spark plugs you have to be extra careful to torque them properly and also follow good procedure. If you simply replace lock willy nilly without paying attention to just how tight you put them in they will likely blow the end of your cylinder.

How come tell if you have a blown out plug? walk your auto make a loud popping noise repeatedly? did you find a coil with damaged off somewhere in your engine bay? probably a spark plug floating around? more than likely a blown out plug.

The later 5.4l 3v Ford engine was much from perfect either. In fact, many enthusiasts argue that the 3v Ford engine is actually much worse.

The problem? as soon as you walk to eliminate the spark plugs from the factory they love to break off flush v the cylinder head. This was because of poor spark plug design (two pieces) and also a lack of proper anti-seize applied at the factory to avoid seizing.

Just choose with the 2v you should pay extra fist to spark plug installation, top top the 3v you have to pay extra fist to spark plug removal. If you are NOT comfortable breaking a spark plug off in the cylinder head then you re welcome take it come a shop that has experience v these engines. You might be looking at roughly $500-1000 for a shop to take it on the spark plug adjust and replacing any kind of broken plugs.

Some suitable maintenance and preventative treatment should help prevent any kind of of this problems. However, both 5.4l engines have some quite scary propensity when it pertains to their spark plugs.

My last pro guideline is to speak to around and also ask shops if they have actually experience drilling out the plugs or doing inserts. There will most likely be a shop near you (it might take some calling) the is supervisor efficient and also knows what they are doing v the Ford engines. You want someone that has done this repair numerous many times. Like a surgeon, they will get far better every time, and your automobile will be much more reliable for it.

Related Questions:

Can ns still drive v a blown out spark plug on a 5.4l 2v? 

In an emergency yes. The auto will operation low on strength (it is under a cylinder) and it will sound weird. Shot not to press it too hard, however as long as it will limp you will certainly be okay driving it. You should do one point to it is in safe and prevent engine damage to the cylinder– unplug the cylinder injector. This will store it indigenous firing and also filling the cylinder v unburned fuel which will damage your catalytic converter and foul the oil in your automobile fast. The is likewise a fire risk as the cylinder will be advertise unburnt fuel the end of the cylinder into your engine bay. Every it takes is a spark and also the entire engine will go up in flames. Unplugging the injector is as straightforward as finding i beg your pardon plug blew out, locating the injector plug, and also disconnecting it. If you perform it best you should obtain an immediate examine engine light and also the auto should no longer smell choose unburned fuel (gas).

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What is far better the 2v or the 3v ford 5.4l Engine?

The 2v is an less complicated fix and less daunting. The 3v takes an ext of a operation approach and can go downhill quicker if girlfriend don’t understand what you are doing. The 3v 5.4l additionally has other reliability problems that do it an ext of an high value engine to maintain and also less reliable. However, the 3v definitely has much more power and is a more contemporary engine. That is really approximately you and also what you deserve to afford, however, i recommend continuing to be away from the 3v Ford 5.4l engine as much as possible.