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My check engine light is on the code is p.0042 what does it mean?
Wiki User
∙ 13y ago
Trouble code P0042 means:HO2S heater control circuit (Bank 1 Sensor 3)
Wiki User
∙ 13y ago
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What is the check engine code P0042?
P0042 HO2S Heater Control Circuit (Bank 1 Sensor 3)
Can a car be diagnosed even when the check engine light turns off?
yes it can. if the check engine light shuts off by itself then chances are either the trouble code is a soft code. A hard code will keep the check engine light on until the problem is fixed and the check engine light is reset.
P0042 error code for Dodge Durango?
Trouble code P0042 means: HO2S Heater Control Circuit (Bank 1, Sensor 3)
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When the check engine light comes on it should post a code. Use a code reader to see what the code is and ask again.
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Go to AutoZone and ask one of the fellas to come out and "check your check engine light code". They will be able to tell you what the problem code is, as well as re-set your check engine light.
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Usual first sign is a check engine light with a code P0420.Usual first sign is a check engine light with a code P0420.
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There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
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Use an automotive computer code-scanner to read the stored code. Then you'll know why the "check engine" light is on.
Chevy Trailblazer check engine light?
The check engine light sets a code for diagnostics and you need a code reader. Most auto parts stores sell code readers and most will check the codes for free.
Why is the check engine light on a 2006 PT Cruiser?
The check engine light comes on when the engine computer detects a malfunction and sets a trouble code.
