44
questions

it runs rough when idling, but runs great when I get going and going down highway. starts great. check engine light keeps coming on. I replaced injectors. replace mass emissions sensor. new fuel pump. new spark plugs and wires. still does it. 2 shops can't figure it out. any ideas. I have spent over 4k on this.

Oil looks like brown mud and truck has no pressure

During the winter I had heater on low and all of a sudden it turned up to high by itself. I couldn't turn it off for like a week and a half and then it stopped working. I am wondering what the problem might be, I checked the fuses and they were all good.

I've tried everything. Checked the fuel pump, spark plugs, and carburetor. When I try to crank it it tries to turn over but can't quite make it. Any suggestion on what to try would be great. Thank you.

It also stops when I let off accelerator the as I accell again its better.

Hear a banging noise when going over speed bumps or pot holes on front left. Shakes under braking, worse between 40-50 mph. And alignment off but just had it done at a shop and wheels balanced?

97 yukon 5.7l starts then dies right away, have spark and fuel and timed

Under hard acceleration spits n sputter s

97 yukon 5.7l starts for a few seconds then stops and won't start agen for a while. I got spark and fuel. Was Pullen a p1351 code but the icm is good. It's getting a 5.7v signal. On my dash my check gages light comes on and my battery light don't turn off

It doesn't happen all the time, but when you hit the brakes hard it does happen.

the head gasket is blown in the 1997 yukon and i found a 1996 with a good motor will i be able to put the motor in the 97 ?

It does not blow any cool air at all. the vent door will not close when going from heat to air conditioner