Questions & Answers for: Chevrolet 3500 how to change map light

...change MAP sensor signal. Normal EGR flow should cause slight decrease in manifold vacuum which would change MAP sensor signal. 43The ECM did not detect a knock signal during near wide open throttle ...

change the rear ones to no avail because i could not get the 2 pins out that hold the pads in place can anyone advise on these problems im having? many thanks carl. Heat them with a torch...the little

...map sensor. any ideas? Is this the 454? What do you have the idle set at? What is the fuel pressure? When was the last tune-up? I hope that you don't mind all of the questions. It will just help me ...

...light works. But my lights still work, it's just when I press the brake, the brake lights don't come on????? It is the turn signal switch. To change it, you have to pull the steering wheel. You will ...

...light is on and there is a code for the O2 sensors, I would like to also advise you that many O2 sensor codes are not caused by the O2 sensors themselves. In many cases, the O2 sensors are only ...

...map sensor. 4. Bad EGR valve. 5. Failing ignition module. 6. Leaking injector(s) If the vehicle is used primarily as a work vehicle, then it might be overdue for an oil change. If the oil is fuel ...

i put a new fuel pump on and it still acts like the pump is still has a bad pump 93 k 3500,is there a map sensor on it? The only way to know for sure on the fuel pump is to plumb in a tap for pressure

...light came on.I unhooked the batterys and hooked back up,,no change.It is clunking into gear pretty hard..and is full on tranny fluid! When you disconnected battery, how long did you do it for? Some ...

1988 chevy 3500 454 7.4 runs good for a min then misses at idle and is undriveable as underload it cuts out and back ires through tbi have replaced distributor, map, etc, coil, fuel pump and filter ...

I got a 96 chevy 3500 all my lights work but my brake lights done changed brake switch and 2 fuses under the hood and all grounds are good Bad bulbs? Bad connection at a plug in connector? Do turn ...