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The number of cranks isn't a big thing, as long as it isn't excessive (crank and crank and crank).
Running lean can cause knock, and the Trionic system (engine control) will reduce boost if it detects knock. So it could be running lean due to a vacuum leak, poor fuel pressure, or even just a clogged fuel filter - a clogged (old) filter can provide plenty of pressure at low flow (idle), but can't quite get the (pressure) up at high flow.
Check those plugs! And the mechanic should have an exhaust gas meter so he can determine if the engine is running rich or lean.
posted by 12.76.152...
Posts in this Thread:
- inspection nightmares., aero06, Tue, 9 May 2006 09:32:15
- Update, aero06, Wed, 10 May 2006 15:10:21
- I wish it were that easy, Ari
, Tue, 9 May 2006 11:10:02 - Re: inspection nightmares., Dana
, Tue, 9 May 2006 10:51:55 - wouldn't a bad o2 sensor allow rich running which...., baggsly
, Tue, 9 May 2006 10:09:25
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