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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 31, No Reference Signal

Code 31, No Reference Signal

Fig 1: Code 31, No Reference Signal
G9422
Fig 2: Code 31, No Reference Signal
GB0020813
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