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wat causes a car to run good when hot

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Old 04-25-2005, 02:21 PM
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Car: 89 Camaro RS
Engine: 5.0 tbi
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wat causes a car to run good when hot

hey just one quick ?wat can cause a car to run really bad when cold but then run perfect when it reaches a lil above working temp?????
Old 04-25-2005, 02:38 PM
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Car: 1992 Firebird
Engine: 3.1L V6
Transmission: 5 Speed Manual
Axle/Gears: 3.42 Peg Leg
define really bad running
Old 04-25-2005, 02:46 PM
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Car: 89 Camaro RS
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like light backfire and missing.it limps to get rpms
Old 04-25-2005, 02:50 PM
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open loop when cold and closed loop when hot.

ie when in closed loop the computer can compensate for something being not quite right while when in open loop it cannot.
Old 04-25-2005, 03:10 PM
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okay but wat can it be?i put a new distribtor and new coil like 2 weeks ago.
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