07 yukon with a p455 service engine

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Jun 17, 2010 | 9:49 AM

vmfjr170

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07 yukon with a p455 service engine

i,m getting a p455 code was wondering where is the best place to start looking forthe leak... thanks

Jun 17, 2010 | 11:55 AM

73shark

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From: KC, MO area

Welcome to the forum.

Could be the solenoid valve for the venting system. Remember the code just steers you in the direction of the problem. The factory service manual has extensive troubleshooting info for each DTC.

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