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1990 Pontiac Grand Prix Question: Why isnt the coolant surculating through the radiator to thethermostat?



kattt123, North Liberty, IN, August 07, 2013, 22:22

all new parts are as follows... water pump, fuel pressure reg., thermostat. p0155 car starts, purs then dies when temp. reaches 200 then will only start when cools

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  • Answer #1

    August 08, 2013, 07:14

    Any other codes? P0155 should not cause your problem! Has nothing to do with engine temp. just the heater circuit to the O2 sensor. More testing needed!

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