Where is Bank 1 Catalytic Converter on 2010 Buick Enclave?

Asked by GuruYQPJM Mar 18, 2018 at 04:30 PM about the 2010 Buick Enclave CX FWD

Question type: Maintenance & Repair

We have a check engine light on. The reading
states it is the Bank 1 Catalytic Converter. Where
will it be located? Also, our battery was cranking
real low around 440, the car calls for a 730 cca
battery. Could the poor start up cause the light to
come on and show the catalytic converter code. I
ask, because the light came on and after a few
trips around town, it went off. Then this morning
after setting for awhile and being very cold out, the
light came on again. Thank you.

2 Answers
34,750

charles answered 6 years ago

Bank 1 is the head that holds #1 spark plug ( #1 cylinder ).

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