Question about 2004 Chevrolet Impala
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Posted on Jan 02, 2017
It is a 2 wire seneor under the throttle body. You will have to remove the air breather and it will be a brass/black plastic sensor. A 3/4 socket will fit it.Good Luck
Posted on May 19, 2009
you sould be able to reset that from the dash ,these options beside the dash go to the end and when you get to oil and % press on the checkmark and that would do the trick.
Posted on Jul 18, 2009
SOURCE: where is the coolant temperature
Hello and welcome. here is a picture of the coolant sensor. the coolant sensor is mounted just below the thermostat housing in the intake manifold.
Posted on Oct 04, 2010
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Sep 05, 2012 | 2001 Chevrolet Impala
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Nov 11, 2011 | 2004 Chevrolet Impala
Sep 01, 2011 | 2003 Chevrolet Impala
This means that the engine's PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat. Similar codes: P0125
In determining the engine did not reach a "normal" temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle.
A code P0128 may mean that one or more of the following has happened:
Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
I hope this helps a bit!
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