Chevrolet Express 3500 Questions

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When I start up my cargo van it starts up fine but when I put it to drive and it takes off theres a vibration and it wants to stall on me when driving Im thinking that is the censors but I have no clue can anyone five...
my side doors are off track or they don't meet up to close I have not had any types of accidents or anything and my vehicle it is in great condition no rust no dents
othertimes engine turns over but does not start,when it finally starts code on dash says engine power reduced and check engine light stays on. Chevy dealer is 30 miles away and by the time I get it there it clears up ...
I checked fluid level and seems ok, a little fluid has also backed up through the tube. Van seems to run fine.
If I leave the van (actually an RV) off the security light will come on and stay on and drain the battery. I bought this vehicle used and it has had some modifications done by the coach builder at the factory and the...
But if I put gas in carb it runs for awhile it ran a couple times after doing this now won't even start gas still going threw the lines
What could be causing the new leak... Is there a "special" or better seal that can be used on a worn hub? Advice?
Gear selector moves on column and trans, but, gear selector display does not move from 2, (2nd gear), vehicle won't start. How can i reset so I can start and drive?
I have already replaced tps at throttle body tps module keep getting codes and low engine power light on dash . Seems to happen after clearing all stored codes then driving aproxamatly 20 miles or 30 to 45 minutes loc...
cost and how long should it take truck has 6.6 liter diesel which is not listed transmission is a 4L80E
This is heat related and I have tried changing multiple things. Plugs, wires, coil packs, Cam PS, injectors, MAP, TPS, IAC, still same result. I can play with the throttle (on & off real quick) and it will clear up an...
I replaced the wiper motor and now they will not shut off. I heard that you have to program the wiper motor but I don't know how
approximate complete cost to replace LH side exhaust manifold
Went to dealer to get OE parts. Tensioner is discontinued. New tensioner that dealer indicated does not work as it is a single bolt connection whereas the original tensioner has two connections. The dual connection...
Truck will crank but there is a long delay (8-10 seconds). If you take the air filter off and stop the hole up and kill the motor, the truck fires right up when you try and crank it.