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1995 Pontiac Grand Am SE 2.3L Hesitation, Surge
Hey guys, looking for some advice before diagnosing any further. Vehice surges/hestitates. O2 sensor voltage goest to .447 volts. Goes to mid range and then goes into open loop. Once car accelerates or decelerates O2 goes back into closed loop. TPS voltage...
FIX posted 7/28/1999
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Message Closed w/FIX
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| VIN | 1G2NE55DXS |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | On Decel, on Accel |
| Misc. | Quad 4 |
Trouble Codes
| 13 | o2 sensor open shorted to ground |
Message Closed w/FIX
Vehicle Data
1995 Pontiac Grand Am SE
| VIN | 1G2NE55DXS |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | On Decel, on Accel |
| Misc. | Quad 4 |
Trouble Codes
| 13 | o2 sensor open shorted to ground |
Video