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Problem for Jeep 2007 Grand Cherokee Overland

MY ENGINE LIGHT KEEPS COMING ON GIVING A CODE

By lfairbanks on Nov 10, 2009

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MY ENGINE LIGHT KEEPS COMING ON GIVING A CODE P0456 AND ON WARM DAYS ITS HESITATES TO START. THE MECHANIC CAN NOT LOCATE ANY PROBLEMS.

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Solution #1

posted on Nov 10, 2009

x18wheeler60

Rank: Guru
Rating: 88%, 520 votes

There is a small leak in the emissions evaporative system somewhere, and the only way to find it, is to take it somewhere that does smoke tests, in other words, they inject smoke into the system to find leaks.
You;ll have to call around to see who does it, most likley a dealer.

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