Q: Hi my 2005 saturn l300 has the cataylic converter code and is making a horrible sound. Mechanic came to house and said would need
Check engine light code shows cataylic converter mechanic came to house said need to tow to shop to see what's wrong. Making horrid sound. he said might be bad water pump also, any other ideas or thoughts? Same mechanic just replaced/fixed engine coolant thermostat don't know if relevant. Had smog test and oil changed last month.
My car has 155000 miles.
My car has an automatic transmission.
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