AMM limp home mode - symptoms? - Saab 900 Bulletin Board - Saabnet.com
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AMM limp home mode - symptoms?
Posted by Ed S (more from Ed S) on Mon, 5 Feb 2007 12:22:40
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Since its nearly impossible to test an AMM other than the burn off. What are the symptoms of a faulty one?
I have:
1. base boost
2. rattle (spoons in engine) at WOT and heavy/moderate accel
3. loopy idle, I mean rough idle which stalls
4. stumble (occasional) on very light cruise
The front screen on the AMM was damaged with tear/hole. Wire looks complete....hmmm.
I have looked for a vacuum leak. Took the intake completely apart. Viggen BOV checked, rubber connectors good/new, new AIC at 30deg dwell, idle set, mity-vac at all silicon hoses on manifold, brake booster good, throttle cleaned twice.......grounds at rad & tranny cleaned and greased.
TIA,
Ed S
1985 900t, adjustable AMM
posted by 63.240.121...
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