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Home › GMC › 1984 › S15 Jimmy 2.0 Y, RWD, M77 › Repair and Diagnosis › Engine Performance › System › 1.9L CEC Tests W/Codes › Description › Code 12, No Reference Pulses To ECM

Code 12, No Reference Pulses To ECM

Fig 1: Code 12, No Reference Pulses to ECM
G9414
Fig 2: Code 12, No Reference Pulses to ECM
GB0020803
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