2001 GMC Jimmy "coolant temp sensor" Questions

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...coolant temp below thermostat regulating temperature==causes mechanical fault (thermostat stuck open) code p0102 refers to mass air flow (MAF) sensor/ volume air flow (VAF) sensor low input===causes ...

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...make my jimmy hard to start re place a lot of parts and still the same scan test for codes first. check data reading with scan tool.If coolant temp sensor reads -40 deg. yes it would be hard to

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Question about GMC Jimmy

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...crank sensor, computor ,mass air flow and fuel filter help Have you replaced your O2 sensor? If not, try that. check your coolant temp sensor resistance cold and warm, the colder the more ...

...is it. Thank you . Tom coolant temperature sensor,its a thermistor that varies electrical input depending on coolant temp. wich goes to ecm with other sensors inputs that controls engine

Question about GMC Jimmy

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...the hoses with a thermometer taped to it to verify coolant temp is only 140 or 195 degrees, after that maybe you should change the temperature sending unit since that is what operates the dash

Question about GMC Jimmy

1 Answer

coolant temp sensor keeps blowing the fuse Here's how to replace your bad sensor.

02 SENSOR AND COOLANT TEMP SENSOR STILL HAVE THE LIGHT THOUGH DOES THIS TRUCK HAVE 1 OR 2 O2 SENSORS Someone could have plugged the EGR off.. Code will pop up after a run and go out when started again

Question about GMC Jimmy

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...Coolant Temp Below Thermostat Regulating Temp. What does this mean and how do i fix it? your thermostat is designed to open at a specific temp, for example a 195 thermostat is supposed to start ...

...comes on but the truck will not crank up Suspect engine coolant sensor. ets up a rich fuel mixture like the old cars needed to start. The intake air temp works with the coolant sensor Good Luck, ...

Question about GMC Jimmy

1 Answer

coolant temp sensor. Mine failed and was telling the computer that the coolant was -40 F. That made for an extremely rich mixture. I couldn't even keep it running at idle. You will be able to see what

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