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teamitr · 03-26-2009, 03:26 PM

so the engine is installed on an s13. the engine will turn on but not smooth and will sometimes backfire, i have checked and searched online with no luck, im getting codes 11,12,13, and 21. i know what they mean but dont know were to start, are all those components bad? or is it something else... Thanks.

03-26-2009, 03:26 PM	#1
teamitr Join Date: Apr 2008 Location: Riverside Age: 40 Posts: 3 Trader Rating: (0)	sr20det runing problems with codes... so the engine is installed on an s13. the engine will turn on but not smooth and will sometimes backfire, i have checked and searched online with no luck, im getting codes 11,12,13, and 21. i know what they mean but dont know were to start, are all those components bad? or is it something else... Thanks.