Found multiple exhaust leaks at the manifold and the flange after I shoved a shop vac up the tail pipe and turned it to blow. Sealed em up and power is definitely restored and hesitation is gone!
So I have this gmc van,I know it’s not a truck but the people on this forum seem to be the most knowledgeable community for these tbi gm engines and I figured the powertrain on this vehicle is basically the same setup as the trucks. Anyways I have a 95 g30 5.7l 4l80e rally van and I have an...
Interesting observation. I bought this vehicle off of Los Angeles County, I wonder if they get parts from yards? Anyways do you know what components this sends to ground? Wondering if it sends the 02 sensor to ground as the sensor only has one wire that connects it to the rest of the harness and...