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Old 07-17-2014, 04:13 AM   #4
billj18
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Join Date: Aug 2012
Location: Pittsburgh, PA
Posts: 27
Garage
The conventional wisdom is that 1128 and 1130 are symptoms of a vacuum leak. I was getting the codes almost weekly over the winter, and I checked all of the usual suspects: vacuum lines on the engine, as well as the AOS tube and the oil filler tube. No luck. I finally realized that the codes occurred within a day after refueling. I replaced the gas cap in April, and have had no codes since.

Bill
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