Re: No boost, APC never reaches the yellow - Saab 900 Bulletin Board - Saabnet.com
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Re: No boost, APC never reaches the yellow
Posted by Sean H (more from Sean H) on Thu, 31 Jul 2003 07:13:03
In Reply to: No boost, APC never reaches the yellow, Gabe, Thu, 31 Jul 2003 06:43:36
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Not sure if this is your problem, but one of the causes could be you're getting too much back pressure. My 83 900T sat for a while and was only driven to the grocery store on nice sunny days (no lie, it was my mothers before I bought it from her). Anyway, after I had it for a while, maybe four months or so I wasn't getting any boost, I checked everything turbo/APC related and I gave up and took it to my mechanic. he put it on the lift, knocked on the muffler and sure enough, it was rattling. We took the muffler off and took it for a test drive and it boosted like a champ. Basically the core of the muffler had rotted out as a result of it's brief uses prior to my ownership. This kept the exhaust gases from exiting properly and thus restricted the boost pressure. I mention this only because it's really easy to check your muffler and your cat. to make sure they're OK. If you hear rattling when you knock on them then take it off and go for a spin. You'll know immediatley if that was the problem. Good luck!
posted by 207.224.69...
Posts in this Thread:
- No boost, APC never reaches the yellow, Gabe, Thu, 31 Jul 2003 06:43:36
- Re: No boost, APC never reaches the yellow, kreature, Mon, 14 Jun 2004 13:49:00
- Re: No boost, APC never reaches the yellow, Bill U, Thu, 31 Jul 2003 09:43:31
- Re: base boost --only, JohnK, Thu, 31 Jul 2003 07:57:49
- Something Simple...., MZ88 SPG, Thu, 31 Jul 2003 07:54:30
- Re: No boost, APC never reaches the yellow, CT 89 SPG, Thu, 31 Jul 2003 07:21:52
- Re: No boost, APC never reaches the yellow, Sean H, Thu, 31 Jul 2003 07:13:03 <-- Viewing This Message
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