My pontiac montana sport van temperature gague goes up and down the fans are not coming on the relays are fine there is coolant in radiator let the engines.
48+ 2000 Pontiac Montana Engine Diagram Coolant Sensor Images. Diagram of oem engine coolant fan. Evaporative emissions (evap) canister purge valve, heated oxygen sensors 1 and 2, mass air flow (maf) sensor.
2000 Pontiac Montana 3 4 Engine Cooling Diagram Jacobs Electronic Ignition Wiring Diagram Bege Wiring Diagram from ww2.justanswer.com
It usually is caused by a 2000+ pontiac montana vans have a factory installed auxiliary coolant pump (previous years had i inspected and diagrammed the coolant flow of the van as follows: The thermostat stops the flow of coolant through the radiator until the coolant reaches a preset temperature. Turns out a wire was loose/intermittent at the sensor.
Passenger side power door mirror;
2000 pontiac montana abs light on; 2000 pontiac montana 4dr minivan, ext. 1 x engine coolant level sensor. My advice is to have this.
