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How long after the thermostat is replaced will the check engine light turn off?
Wiki User
∙ 11y ago
IF that was the problem it will turn off within 3 starts of the engine.
It always helps to state car type, make and year with these problems
Wiki User
∙ 11y ago
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Will installing a thermostat backwards make problems with check engine light?
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.
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Can a check engine light indicate a bad thermostat?
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