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Eng fault codes P0171, P0174 Bank 1&2 Lean
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corvet02
New User
| Posts: 1
| Joined: 02/09
Posted: 02/15/09
11:23 AM
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Ive got 2002 ZO6 with fault codes P0171 and P0174- book says bank 1 and 2 are lean. Dealer said with the after market cold air intake (Halitech) and stock MAF will usaully be the cause of these faults. The dealer cleaned and cleared the codes. Within 5 miles of leaving the dealer the eng lite was back on and the same 2 codes are present again. I found the MAF was not cleaned as they said but I replaced the MAF with the after market MAF from Mid America for these types of cold air intakes that I currently have. The codes were reset once again and have since within a few miles have returned. Any help would be great on this....
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