1979-1993 & 94 Conv [Subscribe to Daily Digest] |
![]() | [Main C900 Bulletin Board | BBFAQ |
Prev by Date | Next by Date | Post Followup ]
Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
Re: Runability problems... Posted by RS [Email] ![]() ![]() ![]() In Reply to: Runability problems..., BobH, Sat, 6 Aug 2005 16:01:45 Members do not see ads below this line. - Help Keep This Site Online - Signup |
You've replaced almost everything that the first responders would think of and the hesitation off idle sure sounds like it could have been a lazy AMM.
After that, it must be a vacuum leak of some sort that opens up (or a seal that softens) when the engine has warmed up. Have you done the (unlit) propane torch test on every place that you can have a leak?
A couple of places that I'm thinking of are injector O-rings, the rubber bushing through which the PCV barb goes into the plastic induction duct, and the tthrottle shaft bushings. There was a recent post about tracking a troublesome idle to one of those seals.
Which are the pins on the test plug that you use to test the fluctuating voltage? I've forgotten which ones they are.
Just for the heck of it, you could also
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
![]() |
![]() |
![]() |
![]() |
![]() |