Recent content by kylemc1990

I've replaced cap rotor wires and plugs already, I've replaced the coil no luck with that, haven't done anything with o2 sensor never really thought of that. I've went through all the evap lines I can follow and all seem fine, now the evap purge solenoid would that be the solenoid kinda located...

So the plot thickens a little bit, 1. pulled the throttle body off and cleaned it nothing new except a pound of carbon build up now on the garage floor ( I exaggerate a little) 2. where the pcv valve connects to the manifold found the elbow was cracked and broke I may of caused that when i...

key on is 62. idle is 58 or 56 and holds steady there. I let it run for about 20 mins and it didn't come off of 58. I got a chance to take it buy autozone today and they checked the light and had two codes P0300 and p0440 both have a common cause of a vacuum leak is that a probable cause and if...

Ok i finally got time to work on it now that's its got worse, I know its not the fuel pressure and not the coil. I don't know how do any of the other stuff listed above. now it misses out on initial start up then smoothes out fine then when you give it gas it runs like crap again. What should I...

I've had the Envoy for about 2 months now so I have no idea on the filter. Yes after 3k it smoothes out and runs like a dream thats what has me stumped. it has a tick over 164k Thanks kyle

Hi all, looking for some help I just recently bought a 1999 gmc envoy which I like alot besides all the problems I've been having with it which ive fixed most of theres just one that i cant seem to figure out, at around 2,000~3,000 rpm it runs like crap surges back and forth at first I thought...