bank 1 and 2 too rich
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Old October 11th, 2010, 04:48 PM   #1
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bank 1 and 2 too rich


have a sct livewire tuner got several codes just have a few questions on them like how to fix too rich bank 1 and 2 ,and a spark knock? and replace pcm?
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Old October 12th, 2010, 12:22 PM   #2
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You might need a custom tune. Do those codes pop up on the stock tune?
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Old October 13th, 2010, 07:02 PM   #3
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yeah i loaded a custom tune but thought i had blown my engine when i took off. but i guess the tune was wrong. put it back to stock everything fine just still running too rich if i get on it just a lil bit it starts jumping real bad. spark plugs are fine coil packs are fine. maybe o2 sensors?
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Old October 14th, 2010, 12:23 AM   #4
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My car threw those 2 codes, turned out to be my fuel rail pressure sensor. Sometimes it wont throw the P0190 code, but itll say Rich or Lean in Bank 1 & 2
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