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1996 GMC Sonoma, ECM/Inputs/Outputs waveform
Not sure why the PCM is causing these injector issues. But notice the ignition control timing doesn't change. This only seems to happen when the noise is present on the ground and B+ but it doesn't happen every time the noise is present. Ch. 1 is injector 2. C...
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| VIN | 1GTCS1447T |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
References
Vehicle Data
1996 GMC Sonoma SL 2.2L
| VIN | 1GTCS1447T |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
Video