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05-23-2003, 02:26 PM
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Registered Member
Join Date: Jan 2003
Location: Palm Bay, FL
Posts: 432
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Odd cold starts
Just curious what might cause this.. When I start the car on a cold engine, right after it starts, the rpms immediately drop down to around 600 and the car gets REALLY lopey....like it has a huge cam, or it's about to stall. Stays there for around 2 or 3 seconds, then the rpms kick up to around 1600 and sit there.....beyond that, everything is completely normal besides a few minor operating demons I've been trying to exorcise since I got the car. That sounds like a slightly malfunctioning sensor or something to me..what could be the causes? TPS is brand new, and so is the IAC valve assembly. I have no clue about the EGR though. Thanks everyone.
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'91 Mustang GT 5.0 AOD Daily Driver Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI 13.73 at 103.8, ~2.2 60' |
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