Tall Bald and Ugly Posted July 1, 2016 Share Posted July 1, 2016 That tells me the system is too lean on bank 1. Matching the code to the book number tells me fuel that fuel trim malfunction, air/fuel too lean. All well and good, but what does it mean? Do I- check injectors, sensors, what? Fuel delivery? Fuel pressure? Pump? Any help would be appreciated. Quote Link to comment Share on other sites More sharing options...
wtdash Posted July 1, 2016 Share Posted July 1, 2016 HI, Usually we like to know year/(exact)model to help. This POST ON NASIOC might get you started. If your O2 sensors are old/original that's a common 1st step. GL, Td Quote Link to comment Share on other sites More sharing options...
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