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T-Rex's avatar
T-Rex
Explorer
Jan 27, 2021

Check Engine Light...Going on 5 years & 20,000 miles...

After 5 years (and 20,000 miles) of owning my 2007 Class C RV with an E450 chassis, I am finally committed to resolving what should have been addressed right way. The prior owner had taken the RV to ...
Class C
theoldwizard1's avatar
theoldwizard1
Explorer II
Jan 27, 2021
Although the error code indicates a problem with the O2 sensor experience say that is NOT the real problem. It is likely a "vacuum" leak. There are many different places that could be leaking.

Find a good mechanic. It should not be that expensive to repair. Typical O2 replacement should be <$200.

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