Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
2000 lincoln navigator 5.4
Hard to crank and wont stay running.. i have to keep the gas pedal press in.. but stay running really bad. And wont respond to the throttle. Only code is
P1131.. but i think is because 1 exhaust bolt is broke. .
I put a good maf sensor because was dusty and cont get clean. With the spray..
Fuel presure with swich on engine off. Is 38. And running is 43. .. got new Motorcraft spark plugs.. and all 8 coils are new.. air filter. Fuel filter..i disconnect the 2 exhaust pipes because my be the cats.. but still the same. Any help.. God bless you guys.
Thanks for responding. . It wont give a code?...
I remove the idle air control valve.
It don't looks dusty. There is any way to find out if its open or close.
Thanks.
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