I have no power at my throttle position sensor or my map sensor. but all my fuses are good. is my ecm bad

5

Asked by Mar 31, 2014 at 04:54 PM about the 1990 Pontiac Firebird Formula

Question type: Maintenance & Repair

I have no power at my throttle position sensor or my map sensor. but all my fuses are good. is my ecm bad

1 Answer

90,865

If those are the only ones that don't have reference voltage then I would start looking for a broken circuit in your TPS and MAP wiring first.

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