2004 Chevrolet Express 2500 Questions

All 2004 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?
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...
Sometimes it sounds like it is the battery is dead, sometimes it sounds like the starter not enough power to turn the engine and sometimes it acts like nothing is wrong with it, please help if you may have an idea of ...
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
Where is the thermostat located
to normal. The van never does run hot. What would cause this? Thanks
The panel doors worked off the remote buttons till now.All that happens is the running/parking lights flash when hitting the buttons.It may be that the programming has been lost,but I cant find a fuse/relay to elimina...
At 40-50 MPH the steering wheel shakes bad and all steer linkage is tight
I have changed the bulbs in the rear driver side and also the top stop light above the cargo doors. when the car is in drive the driver side rear and front blinker flASH rapidly all appear to be working but the outsid...
replaced ignition switch,electrical part
also does the same thing when backing in a steep drive way it happens intermittentley i can clear it out by revving the engine
Well you see car was in a car accident checked everything I can think of fuel pump etc. all working fine now I also did the 10 min switch on to reprogram the ignition switch to car running and its still turns off well...
Okay Here ya go. The van has 105 plus miles. Run well. This problem has the repair station stumped too. turn key, starts no problem. move gear shift (no problem with it moving to gear) the little light under P doesn't...