Questions & Answers for: Ford F-150 high emissions

...high, check engine light will come on, idle down and sometimes stall or regain to norm. Ive heard many different problems and none really like this. Any help is appreciated Thanks, Jay probably is a ...

...High Input means? P0453 is for the fuel tank pressure sensor. This code means that the voltage on the sensor was greater than 4.5V during key on engine off or during any engine operating mode. Normal ...

1988 Ford F150 running rich, can't pass emissions. Already replaced oxygen sensor,EGR,EVR,EVP,IAT...need advice has the cat been replaced? worn out cats cause high HC emissions

...high? Have you adjusted it using a vacuum gauge and, have you checked the egr valve to see if it may be leaking a little? Also, try adding a bit more advance to the timing. If that fails, you will ...

...P0003 Fuel Volume Regulator Control Circuit Low P0004 Fuel Volume Regulator Control Circuit High P0005 Fuel Shutoff Valve Control Circuit/Open P0006 Fuel Shutoff Valve Control Circuit Low ...

...emissions. High hydrocarbon emissions from a vehicle may be caused by improper ignition timing, faulty ignition, misfiring problems, vacuum leaks, worn piston rings or valves or an exhaust gas ...

...high speeds mainly in the mountains and around town at times no gas leaks i can find any suggestions Unfortunately, old ford trucks **** gas. However, you can check your emissions controls. A stuck ...

...high idle emissions. Emission numbers were 10-20x max legal limit (over 3000). Replaced the catalytic converter and EGR valve and cleaned the idle air valve and took back to emissions. Truck passed ...

failed emissions on the high speed opration. what too look for??? 1991 f-150 5.0 efi what code was stored (EGR) 1401?

...high, what can the problem be, also wen going at highway speeds after about ten minutes the truck dogs done and won't be able to hit highway speeds, then when I pull over and go again its gone, ...