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1988 Pontiac Grand Am 2.3L Poor Idle Quality, Stall, Misfire
Engine has a hard miss and will sometimes stall at hot idle. Engine will not stall or miss in open loop or when injector pulse width is above 2.5ms. All sensors and actuators have normal readings and there are no codes. Disconnecting the tan/black by-pass wire...
FIX posted 5/11/1998
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| VIN | 1G2NW14D4J |
| Engine | 2.3 L / 4 cyl |
| Emissions | Federal - w/NA5 calib. label |
| Symptoms | Poor Idle Quality, Stall, Misfire |
| Occurs | Hot, Idle |
| Misc. | Dohc Quad4 W/Na5 Emissions Calib. |
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Vehicle Data
1988 Pontiac Grand Am
| VIN | 1G2NW14D4J |
| Engine | 2.3 L / 4 cyl |
| Emissions | Federal - w/NA5 calib. label |
| Symptoms | Poor Idle Quality, Stall, Misfire |
| Occurs | Hot, Idle |
| Misc. | Dohc Quad4 W/Na5 Emissions Calib. |
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