Question about 2006 Ford Expedition
Put in new timing chain kit new cam phasers replaced both cam sensors in the valve covers and new oil pump but after a short drive when creeping up the motor runs rough and check engine light comes on with code p0022 what in the hell is going on
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Posted on Jan 02, 2017
SOURCE: smog failed cause cam sensor
You should check the make sure the thermostat operates normally and that the fuel octane is 87 or higher (usually the lowest grade available at the station, so I doubt this is the issue). If your engine temperature isn't too high and the fuel is 87 octane or more, I'd expect you probably have a catalytic converter issue
Posted on Jun 24, 2008
I was wondering if you scanned this vehicle or guessed on which parts to replace? You can get a free scan at Autozone or Oreillys. Even if you have an basic scanner, there are some scanners that Autozone and repair shops use which list ALL the potential problems starting with the most likely.
There should be a MAF sensor on the Air intake bonnet. It can be cleaned with Electrical spray, but not a solvent liike Choke or Brake cleaner. If that does not help try misting the gaskets on the Intake manifold and Airhorn with a water spray bottle. Do this with the engine running or even use Choke cleaner. Either way, the RPM will change if you find a leak. Since your "Check Light" is on anyway, it would not hurt to plug the Vacuum line to the EGR valve and see if the hesitation stops when you accelerate.
Then check the EGR for a bad diaphram if the motor runs better without it. The scan at Autozone should show the mechanical defects, but it will not show bad gas. You might as well change the fuel filter and do a gas sample at the same time. A lot of people have put a ton of money into their vehicles only to find they didn't need to.
It won't cost you much to try what I suggested, and I think you have already replaced the most popular parts. Would be curious to know what you found out about your vehicle.
Posted on Nov 06, 2010
SOURCE: 04 FORD F150 5.4L TRITON,NOISE
there is also a small valve body you are supposed to replace when replaceing the phasers... also there is a ssm for replacing the valve lash adjusters. alot of time the small engine tick you hear can be a cracked exhaust manifold too so checking those really close is heavily advised because the cracks are really hard to see sometimes. i have seen broken push rods on these engines and they can be a pain to pinpoint where the noise is comming from. hope this helps
Posted on Jan 19, 2011
SOURCE: our truck was running rough and check engine light came on had it checked replaced coil pack and cam shaft sensor and had timing chain and oil changed and spark plugs and it is still running rough and
possible vacuum leak / take a spray bottle of water and with the engine running check all your hoses and gaskets
. Replace as necessary
Posted on Jan 27, 2015
well it could be lifters ,it could be rod or main bearings. try adding some lucas oil stabilizer or STP and see if it quiets the noise down .
Posted on Feb 06, 2015
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The diagram in the manuals should show the timing marks on both cam gears to be on the blue timing chain links.
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