2005 Chevy Avalanche won't start in cold weather

Asked by Nov 26, 2018 at 08:49 AM about the 2005 Chevrolet Avalanche 1500 LS RWD

Question type: Maintenance & Repair

At the end of last winter I had issues with my
Avalanche not starting in cold weather. I had the
fuel pump changed,  the problem continued as
long as the temp was 20 degrees or below. Then
spring and summer came, I never had a problem
starting it. Now that it's cold again , the problem
has reoccurred. It seems that it's not getting gas to  
flow. As I said before , I changed the fuel pump,
tuneup and battery. Could it be something small
that I'm over looking?

1 Answer

77,225

You've done everything I would ordinarily advise; especially, the battery. You said you had a tune-up. If this was a simple tune-up, you might not have caught the problem. Have a more extensive one done that includes checking MAF/MAP, charging system & emissions/exhaust system; cleaning injectors.

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