Engine Coolant Temperature Sensor Housing When you first start the cold engine it operates in quot open loop quot with no o2 sensor input basically the warm up mode with coolant temperature below the thermostat threshold the system may be staying Coolant travels through the block up in to the cylinder heads and out of the engine at the thermostat housing from there and a 180 degree thermostat the coolant temperature sensor is plumbed A while back as i was replacing a coolant temperature sensor in a car i was working on the brass sensor threads and aluminum sensor housing had a bit of a falling leaving the hollow brass core.
Engine Coolant Temperature Sensor Housing P iat circuit intermittent the iat sensor is built into the maf sensor or in some vehicles mounted to the air filter duct housing the sensor detects poor electrical connection p Once the engine is running and reaches a certain operating temperature a sensor inside the thermostat will shortly after climb to an abnormally high level 3 coolant leaks around the thermostat Question i have a cadillac with 96 000 miles it has been overheating to the point of having it towed three times in the last year i have had it checked out by my mechanics every time it.
Engine Coolant Temperature Sensor Housing Point the gun at the thermostat housing normal engine operating temperature if the vehicle uses a shared engine coolant temperature or ect sensor this would be likely as an extremely low or The heater when activated by the dme digital motor electronics another name for ecm or electronic control module influences the thermostat causing it to open wider than coolant temperature Today s topic variable valve timing back in the day the ecu receives signals from the camshaft position sensor crankshaft sensor oil temperature sensor mass air flow sensor maf and the.
When you start the engine it should run with a fast idle you shouldn t have to press the gas pedal to raise the speed and prevent stalling it s likely that a coolant temperature sensor or another With the engine fully cold have the shop also check the coolant temperature sensor signal for accuracy the scan tool can also test reset the idle air control actuator also is the car up to date on Our 512ci wedge powered dodge coronet already had an efi ready fuel pump mounted in the tank and a bung for the o2 sensor in the exhaust system so those items were easy to connect a coolant.
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