Chevrolet Express 2500 Questions

Unanswered Chevrolet Express 2500 Questions

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I just recently changed the oil pump and sensor in my 2004 chevy express however while driving the pressure says 20 then drops to almost 0 what could be the cause?
Replaced diagnosed Ignition Module, cleaned and replaced TBI, and put on a new AC idle air control valve, worn out key replaced, then replaced ingnition key switch. Still dies in a few minutes to 16 minutes. Drove fo...
The secondary air monitor hasn't completed no codes are present
I blew the in line fuse 30amp to my toggle switch, and my van only runs 5 min. each time since about. A green 30amp fuse large in the relay box was corroded but the fuse tester said it was still good, replaced. I put ...
AFTER VAN SHIFTS OUT OF SECOND GEAR IT STARTS TO HAVE NO POWER AND SPEEDOMITER GOES WAY UP BUT VAN SPEED IS NOT GOING UP
starter was just replaced month ago and now van wont do nothing when turn the key, battery is good and starter makes a noise when turn the key like its trying to engage, could this starter be bad
No DTC's on the scanner but the shop tells me i have a pending coed. I failed the emissions test for PO300 random misfire. That code has cleared. ive drove the truck for about 500 miles but it won't show ready for the...
the van turn on but when im driving for like 5 minutes go off. Why is that?
HOW MUCH OIL DOES A 5 LITER V8 CHEVY EXPRESS 25 00 TAKE
Brakes with no luck. I turned the cruise off still no luck. I had to turn the engine off. Now when I start it up again it revs real high. HELP PLEASE. I'm sitting on the side the interstate
Replace hose 4 times in 3 month, replace bypass valve in pump, hose still leaks, please tell me what the problem could be.
headlamps will not go out ,switch off truck not running headlamps stay on,have to disconnect from lamp,why
I drove it 20 miles since with no problem indicating any problems could it be that it just lost power to the transmissiom?
dont know how to find short any suggestions? Found P.E.D. fuse link with open eyelet not connected to anything.
I have checked the calipers, brakes, fuses and belt. Could this be electrical or maybe the alternator?
it doesn t turn the starter at all. there s a light flashin in my dashboard and i believe that it has something to do with the vats system. it s a car with a keypadlock trough it i have no electronics or relearn stuf...
van looses power when is running hot meaning when u turn it off and stars againg
Van jump when changing gear after being driven for a while an hot
After sitting for an hour or two the van restarts, and the cycle is repeated; run for 15 min then sit for an hour or two then restarts. The ingnition module and the coil has been changed, and the problem is still occu...
it's a 2006 chevy express 2500 with a 4.8 liter it has ac
I attached line to small fixture adjacent to ac accumulator, front of engine, passenger side. New pump, but still in default defrost position. Thanks, Kirk