Idle surge under load, power loss & burn smell - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Idle surge under load, power loss & burn smell
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Posted by Samuel [Email] (more from Samuel) on Mon, 20 Sep 2004 07:37:06 Share Post by Email
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1995 900SE V6 engine, 61,250 miles (approx. 2.5 miles commute each way).
About a week ago I have noticed power surge under load. I have read many postings on idle surge and I decided to start with adding Techron concentrate. About a couple of days later (or 20 miles later), I have noticed a loss of power and the car became to be slow in acceleration.
FACTS:
idle = approx 900 RPM in park or neutral and the same in drive or reverse but becomes rough and surges occur.
slight delay in power and shudder (at low and high speed)
very slow in acceleration
no fault codes or warnings
once the engine is warm, there is a burnt smell possibly coming from the catalytic converter getting hotter than normal due to incomplete combustion
Any idea to diagnose, troubleshoot the issue and fix it?

posted by 65.220.113...


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