Quote:
Originally Posted by CSG Mike
Do you have any vaccuum leaks?
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Quote:
Originally Posted by enivid
I battled similar issues. Fuel trims were terrible. Car almost died a few times, sluggish behavior, etc. I spent 6 months trying to figure it out. Finally found it was the God damn maf oring. It just became stretched out and leaked.
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Thanks for the info guys.
So, most likely it's a leak somewhere?
I checked the intake part - used the same approach from the DSM days: pumped some compressed air into the system from SC to the throttle body inlet. It seems to be air-tight - I found no leaks, including the MAF. Just to make sure, I replaced the O-ring with the one, which came with the kit. The replacement ring looks a bit stronger, and with this new one it was easier to insert the MAF sensor into the tube - previously I had to jiggle and push it from side to side, I guess the old ring was actually slightly stretched. Now it went in just with a straight push, and felt like a tight fit. Will see if it solves the problem.
In case if I'll need further investigation, how should I check for the vacuum leaks?