Backfire, rich fuel code

2003 CHRYSLER TOWN AND COUNTRY
178,000 MILES • 3.3L • 6 CYL • 2WD • AUTOMATIC
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AMY MARIE PENNEWELL
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Backfires in the manifold. replaced spark plugs, wires, coil pack, coil pack, plate MAP sensor and O2 sensor "Upstream", air intake temperature sensor and the air filter. Still have the same problem and code is still there. It does have a bad muffler and a small hole in the exhaust. Please help. Thanks in advance
Apr 3, 2019 at 3:53 AM
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ASEMASTER6371
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Good morning,

What is the code that is set?

Have you done a compression test to verify the engine timing is good?

https://www.2carpros.com/articles/how-to-test-engine-compression

Roy
Apr 3, 2019 at 5:35 AM
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AMY MARIE PENNEWELL
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Yes we did. Sorry I know there are a few things we've done that are not listed.
Apr 3, 2019 at 5:47 AM
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ASEMASTER6371
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Okay, what was the compression?

Roy
Apr 3, 2019 at 5:53 AM