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Location: sydney
Registered: June 2005
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y wont my engine idle
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Thu, 30 June 2005 07:27
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jus wondering if anyone can help? i have a 20 valve in my rolla and i cant get it to idle properly.i recently installed a higher psi fuel pump & fuel is getting to the motor,i have cleaned the injectors so i know they are squirting,im running single coil packs through an mtx8 microtech & 8.8mm leads & had the altenator rebuilt so i know its sparking,quad throttle bodies with uni filters are also bolted up so i got no dramas with my intake.what is up with this thing?anybody?
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Location: Kita-Ku, Sapporo, Japan
Registered: January 2003
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Re: y wont my engine idle
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Thu, 30 June 2005 07:32

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air leak or quads not balanced, or crap MAP signal to microleb. do you have a MAP pulsation dampener in there somewhere?
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Location: Syndey
Registered: December 2002
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Re: y wont my engine idle
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Fri, 01 July 2005 05:15

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the mictotech *should* be running in TPS mode so you could have the vacuum line off and it wouldnt matter,
did it idle correctly before the fuel pump was put in?
Dale
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Location: Kita-Ku, Sapporo, Japan
Registered: January 2003
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Re: y wont my engine idle
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Fri, 01 July 2005 07:22
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heh heh, the MT SHOULD be able to run it even with low vacuum from quads.. 75kpa absolute is plenty (25kpa vacuum)
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