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1990 Buick LeSabre Custom 3.8L Hi Idle 2000Rpm
2000rpm idle speed when cold,when closed loop is reached all computer parameters ok, o2 switches. crosscounts ok, block learn and intergrator normal but iac motor counts are at "0". All systems normal, when approx 140 degrees coolant is reached,idle speed retu...
FIX posted 6/30/2003
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Message Closed
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| VIN | 1G4HP54C0L |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Hi Idle 2000Rpm |
| Occurs | Cold |
Message Closed
Vehicle Data
1990 Buick LeSabre Custom
| VIN | 1G4HP54C0L |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Hi Idle 2000Rpm |
| Occurs | Cold |
10 Replies Received
10 Replies Received
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