
1999 Pontiac Montana 3.4L Poor Idle Quality
has intermitant high idle (1300 to 1600 rpms) there are no codes and the TPS voltage is .48 moving a little to .46 but the TPS % is anywhere from .3% to 5.0% semes like idle will be high when at 5.0% if I turn key off and on it will come down to 3.1% and off a...
FIX posted 9/13/2004
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Message Closed w/FIX
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VIN | 1GMDX03E4X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Intermittently |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Montana
VIN | 1GMDX03E4X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Intermittently |