over the last two weeks my car had been running really funny, at around 5k rpms i would get these nasty hiccup type backfires and i would lose alot of power. i know its not fuel cut, it's not that violent. i checked all the IC pipes, they are all clamped down tight. im going to run a boost leak test today, and a few days ago my car shot off a engine check light,P0172, system too rich. Just lastnight i was out driving and i turned off my greddy profec , and the problem stopped? could that really have been the problem? im lost here any help?

 

any help?

 

problem occured again tonight, with the boost controller off.

 

what is a"wired problem"? you didn't say how the boost leak test went.

 

check all the piping, do a boost leak test. check all the vacum lines. sounds like profec is off.

 

yeah the boost leak test went fine , no probs the pipes are strapped up lol. the profec could be the problem, i read that it could also be my MAF dirty