Check Engine Light/Trouble Code Due to Stuck Open Thermostat on Cadillac Catera

Problem overview

The thermostat may become stuck in the open position causing the engine to warm up too slowly, setting a P0128 trouble code and causing the Check Engine Light to illuminate.

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Check Engine Light/Trouble Code Due to Stuck Open Thermostat on Cadillac Catera

Problem overview

Cadillac Catera vehicles with this problem

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Check Engine Light/Trouble Code Due to Stuck Open Thermostat on Cadillac Catera

Problem overview

Cadillac Catera vehicles with this problem

Repairs related to this problem

Thermostat Replacement

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Search for another problem

Ask our experts about your Cadillac.