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1995 Pontiac Grand Am, Ignition waveform
New GM module installed. Ref High (RPM) signal from the module to the PCM is dropping out. The CKP signal to the module stays good. The engine was missing and backfiring off idle loaded.
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| VIN | 1G2NE55D3S |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1995 Pontiac Grand Am SE 2.3L
| VIN | 1G2NE55D3S |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Video