What would cause my car to read -38 degrees on a computer and bog out when reaches 4 k rpms

Asked by Feb 03, 2014 at 03:20 PM about the 1990 Chevrolet Cavalier Z24 Coupe FWD

Question type: Maintenance & Repair

2 Answers

21,745

Coolant temperature sensor is bad. ECT sensor. Replace it and it will run fine.

2 people found this helpful.
78,025

Or the coolant temperature sensor might be disconnected because of damaged wiring or the plug for the sensor might be bad. HTH. -Jim

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