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Home >> Saturn >> 1998 >> SC2 Standard, MP2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1693 - Tachometer Circuit Fault >> Diagnostic Aids
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Diagnostic Aids

When attempting to diagnose an intermittent problem, use scan tool to review malfunction history diagnostic information. This data can be used to duplicate a problem. Use scan tool to read engine RPM. If RPM is correct, circuit between tachometer and PCM or tachometer assembly is at fault.

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