Rick's Free Auto Repair Advice

Posts Tagged: stall and hesitation

Purge valve causes no start, stall and hesitation

Purge valve causes no start, stall and hesitation Fix purge valve causes no start, stall and hesitation GM has issued a service bulletin and warranty extension #18029 for the 2015 model year vehicles listed below. A faulty purge valve causes no start, stall and hesitation condition when the purge valve leaks allowing full flow of stored gasoline vapors into the engine or excess air, causing a no start, stall or hesitation. You may also notice a ticking noise or idle speed variation as the computer tries to correct the improper … Read More


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