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2004 Pontiac Grand Am GT 3.4L Hesitation, Surge
Vehicle has severe hesitation and surging under load and worse at 35-45 MPH. No stored DTC'S. Test drive with Tech 2 installed and ST fuel trims are normal. Labscoped TPS,Substituted known good MAF. Installed test port in exhaust downpipe and drove and monitor...
Summary posted 6/1/2015
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21 Replies Received
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Related Documents & Media | VIN | 1G2NW52E24 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | Under Load, on Accel, Worse at Part Throttle |
Message Closed w/Summary
Vehicle Data
2004 Pontiac Grand Am GT
| VIN | 1G2NW52E24 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | Under Load, on Accel, Worse at Part Throttle |
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