How do I do an on board diagnostic test for a 1995 GMC Safari Van?

Cars & Vehicles
GMC Safari

Use a code reader. You can get it scanned at most chain autoparts stores for free.

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How do I test my ECT sensor?

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How do I test my pitman arm?

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How do you disengage fuel and spark for a compression test on a 1994 civic?

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How do I test speaker polarity?

Set the multimeter to measure DC voltage, and touch the speaker wires to the probes.If your probe is touching a wire with an opposite polarity, such as the positive probe to a negative wire, you will get a negative numerical reading.Try switching which probe you're using to get a positive reading...

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How do I test my odometer tampering?

The first way to detect odometer rollback fraud is to compare the mileage on the odometer with the mileage number on the vehicle maintenance or inspection records.Reparations and inspections normally record the mileage number.Any inconsistencies with these numbers on official documents can indica...

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