Question about 2006 Ford F-150
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Posted on Jan 02, 2017
SOURCE: truck hesitates & stalls
Check for leaking valve cover gaskets,next to the spark plugs, putting oil near the ign coils. You absolutely have to scan the veh for codes and look at all the sensor values etc. Including putting an oscilloscope on all sensors. The Throttle Position Sensor is a possible and I could go on. Now,do not throw parts at it. Never replace anything just because of a code that is set. Codes do not mean a bad part, just an out of range sensor etc over a number of drive cycles. You have to spend lots of time and if you do not have the up to date knowledge on todays veh systems your done before you start. Don't mean to be hurtful but very few people can solve these issues including half the auto repair industry because there is no training for the most part and no one understands basic electricity or electronics. Todays vehicle are not just mechanical alone as back in the 1960's
Posted on Feb 06, 2010
that would be a wet soak concern, Likely fuel pump failure
Posted on Jun 09, 2010
Testimonial: "I changed the fuel pump (actually pretty easy )thanks; so far 3days its worked every time so far "
Okay, when you changed the Number 2 plug, did you also change the wire? Have you checked the Injector seat for a leak? Do this by spraying Choke cleaner on it while engine is running to see affect on RPM.
Check for Intake gasket for leaks. Clean the MAF sensor with safe Electric cleaner. If still no help, on some Fords there was a groove under the Airhorn gasket that needed periodic cleaning. Its 8 bolts and a $10 gasket.
Put on a pressure gauge at Injector rail and see if fuel pressure drops on acceleration. You can do a cylinder balance test Electronically and see if compression is a problem. Code 302 is a misfire on the #2 cylinder.
Would like to know outcome and if this is the DOHC engine with Cam Phasers.
Posted on Dec 03, 2010
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Feb 08, 2016 | 2006 Ford Five Hundred
The MIL illuminates during a bulb test and a system test.
A DTC will be stored if a MIL is requested by the diagnostic.
You could have a bad instrument cluster ! Here is part of diagnostic flow chart for your vehicle !
Did you perform the Diagnostic System Check-Engine Controls?
Go to Step 2
Go to Diagnostic System Check - Engine Controls
Go to Step 3
Go to Step 5
Jul 09, 2015 | 2004 Pontiac Aztek
The MIL turns OFF after the engine is started if a diagnostic fault is not present.
The MIL remains illuminated after the engine is started if the control module detects a fault. A diagnostic trouble code (DTC) is stored any time the control module illuminates the MIL due to an emissions related fault. The MIL turns OFF after three consecutive ignition cycles in which a Test Passed has been reported for the diagnostic test that originally caused the MIL to illuminate.
The MIL flashes if the control module detects a misfire condition which could damage the catalytic converter.
When the MIL is illuminated and the engine stalls, the MIL will remain illuminated as long as the ignition is ON.
When the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition is cycled OFF and then ON.
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