Q: When it is cold outside. It will not start.Can you please help me?

asked by on October 22, 2016

When it is cold outside my 1997 Chevy k1500 will not start. I had it on a code reader and it shows code P0420 and P 1351. I need help. I have replaced a lot of parts.

My car has 132567 miles.
My car has an automatic transmission.

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