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Engine Repairs, Modifications, Diagnostics, Tuning, Upgrading, Questions.

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Code: too rich?

March 4th 2019, 10:23pm


Two days ago I noticed a fuel line break and quickly fixed the damage with a piece of rubber fuel hose. Yesterday I noticed the check engine light on and got a read from Advanced auto by a man with a cigarette hanging out of his face. He said I threw four codes for being too rich. Also, last week, I installed a "new" 233c transferase so my Service AWD light is on. Thats is expected. Any thoughts as to what could be the culprit?


Re: Code: too rich?

March 4th 2019, 11:47pm

Literally dozens of things that can make you run rich. the exact code number might help in the future.

Pull the ATC fuse in the engine compartment and that awd light will turn off

Re: Code: too rich?

March 5th 2019, 5:18am

Thank you

Re: Code: too rich?

March 5th 2019, 10:04pm

The specific code is P0172 'System Too Rich" Bank 1.

Re: Code: too rich?

March 9th 2019, 6:41am

Crazy thing happened today, the weather let up from freezing temperatures and the check engine light went away. Could it have been my MAF sensor being frozen that was throwing the code? mystery machine.
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