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Car does not want to start when it rains

Tiny
THERESA COMBS
  • MEMBER
  • 2000 BUICK CENTURY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Our car does not want to start when it is raining or there is moisture in the air. It sounds to me like it even backfires a little. It turns but will not start.
Saturday, January 3rd, 2015 AT 7:35 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check coils and new plug wires.
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Saturday, January 3rd, 2015 AT 8:24 AM
Tiny
GNDCABCO
  • MEMBER
  • 1 POST
I am also having this issue. I replaced coil packs, changed plug wires, air filter, and had it in for a tune up. Dry everywhere under good cannot figure it out. But, same deal damp out will not start.
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Monday, May 14th, 2018 AT 9:31 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
To me it sounds like the engine coolant temperature sensor is shorting when the engine is cold. Here is a guide to help you see what you are in for where doing the job:

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

Here is the location for your car. Check out the diagrams (below). Please let us know what you find.

Cheers, Ken
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Thursday, May 17th, 2018 AT 11:21 AM

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