Base boost after warmup - Saab Performance Bulletin Board - Saabnet.com
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So, I'm having some strange turbo behavior related to engine operating temperature. When the car is just started and the engine is cold I have full boost into the red. Sometimes when cold, I will even hit fuel cut-out.
As soon as the engine warms up, needle past the very bottom of the temp gauge, I get base boost just barely breaking into the yellow on the boost gauge.
So far I have swapped out the IAC, BPC, MAF, DIC and spark plugs with no difference in behavior. What could be telling the ecu to restrict boost when the engine is warm? I'm about to swap out the ECU and the CPS as last ditch efforts. Maybe throw an O2 sensor at it as well.
Any ideas? Anyone ever have this problem?
Thanks
posted by 98.210.28...
Posts in this Thread:
- Base boost after warmup, frank , Thu, 10 Nov 2016 21:48:51 <-- Viewing This Message
- Open SID and check for Ioff or ECMS, Pat98, Wed, 13 Feb 2019 20:36:11
- Re: Base boost after warmup, Simon S, Sun, 12 Feb 2017 08:35:05
- Re: Base boost after warmup, Name Left Blank, Sat, 12 Nov 2016 09:28:44
- Re: Base boost after warmup, Simon S, Fri, 11 Nov 2016 11:22:131
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