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Service engine soon...

P0300 is a major pain in the ***. It seems to be the ecu's catch-all code for anything that confuses it. Assuming maintenance is up to date, plugs are good

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Service engine soon...

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02-22-2017, 08:48 AM	#2 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	P0300 is a major pain in the ***. It seems to be the ecu's catch-all code for anything that confuses it. Assuming maintenance is up to date, plugs are good and MAF/TBs are clean, I'd clear it out with your OBD tool and see if it comes back. If it's a legit misfire, there would be another code calling out a specific cylinder. SouthArk370Z and WELL ZED like this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

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