Question about 2002 Mitsubishi Galant

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Check Engine light went on cold weather on Mit Galant 2002

Everythibng seems to be working fine.

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There could be a number of reasons why the Check Engine light is on. US vehicles manufactured prior to 1996 feature a diagnostic module in the engine compartment by the main fuse box. Often a label is affixed to the underside of the hood explaining which terminals to access.

Using a simple metal tool (even a paper clip) to connect the two terminals will cause the check engine light to flash in the dash when the key is in the accessory position. By reading the number of flashes one can determine which code was set. Manufacturer’s code guides, available online, will reveal which system(s) tripped the check engine light.

It could be a vacuum leak, dirty fuel injectors, blown head gasket, etc. The longer you drive with the Check Engine light on the more damage you are doing to the vehicle. So if you are a DIY type of a person then you can check the code on the ECU or bring it to a dealer near you.

Posted on Dec 18, 2008

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It might be just the fuel issue.
Tight the fuel tank cap, change the gas station and use higher octane fuel, use fuel injector cleaner or octane booster.
Good Luck

Posted on Dec 18, 2008

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