How do I fix the lean bank problem (codes 171 and 174) on my 2002 Chrysler Sebring?
rphello101 asked:
The check engine light came on in my 2002 Sebring so I ran a diagnostic trouble code check and it came back with the error codes 171 and 174, which are lean banks 1 and 2. How do I clear the codes?
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The check engine light came on in my 2002 Sebring so I ran a diagnostic trouble code check and it came back with the error codes 171 and 174, which are lean banks 1 and 2. How do I clear the codes?
July 20th, 2010 at 1:07 am
There is probably a vacuum leak in the engine. That’s why the engine is running lean. Check the vacuum lines for cracks, or the intake manifold for leaks. C-Tech
July 21st, 2010 at 9:34 pm
There could be lots of things wrong, something as simple as a dirty airflow meter can give a lean code. you need to do more investigating . but yes check for a vac. leak. Kevi