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cotbu · 12-19-2014, 08:47 PM

Well kind of. leaks after the maf at idle cause rich conditions throttle body or not, because if to much oxygen is detected the ecu will richen up the mixture. this is normal. if the oxygen sensor is working. a leak anywhere after the maf can cause an issue
the leak closer to the cylinders is either way. a leak on the exhaust side is usually lean. things change when boost is applied..

I think you should boost leak test and try clearing self learn if your stock.

Sent from my Highly Tuned Note4!!!

12-19-2014, 08:47 PM	#10
cotbu Post Whore! Join Date: Sep 2005 Location: SWFL Age: 49 Posts: 3,318 Trader Rating: (3)	Well kind of. leaks after the maf at idle cause rich conditions throttle body or not, because if to much oxygen is detected the ecu will richen up the mixture. this is normal. if the oxygen sensor is working. a leak anywhere after the maf can cause an issue the leak closer to the cylinders is either way. a leak on the exhaust side is usually lean. things change when boost is applied.. I think you should boost leak test and try clearing self learn if your stock. Sent from my Highly Tuned Note4!!! __________________ LoverTechnologies "Half Broken Things!"