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1997 Pontiac Grand Prix SE 3.1L Poor Fuel Economy
Thanks in advance. This pontiac is kicking my techs butt. At idle and on decel with throttle plate closed the Ltft is -15 at idle and at decel with throttle plate closed. Unhooked evap system, replace oxygen sensor, tested egr and replace it known good valve, ...
Summary posted 1/27/2009
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Related Documents & Media | VIN | 1G2WJ52M4V |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Idle |
Message Closed w/Summary
Vehicle Data
1997 Pontiac Grand Prix SE
| VIN | 1G2WJ52M4V |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Idle |
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