I have intermittent P0171/P0174 Codes. Lean bank 1,2.

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Check Engine light comes on/off periodically. Had a real dirty air filter. Replaced and light went out. Came on again. Cleaned MAF and light went out. Came on again. Now out again for a hundred miles or so. Car is running good. Plenty of power and good gas mileage but rough idle on cold start. Any ideas?

misterg in West Palm Beach FL

May 16, 2012

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What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2001 BMW 530i. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

I have intermittent P0171/P0174 Codes. Lean bank 1,2.

What is your question?

misterg in West Palm Beach FL

May 16, 2012

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2001 BMW 530i. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.