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1988 Chevrolet Camaro, IC Circuit Waveform
Upon reaching threshold rpm (for est mode), ECM tries to apply 5v to bypass. Since bypass is open, the ICM cannot switch and ECM notes that EST line does not toggle hi/lo and sets code 42
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| Engine | 2.8 L / 6 cyl |
| Subsystem | Ignition |
| Component |
Vehicle Data
1988 Chevrolet Camaro 2.8L
| Engine | 2.8 L / 6 cyl |
| Subsystem | Ignition |
| Component |
Video