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2002 Chevy S-10

Tiny
BLPURSELL
  • MEMBER
  • 2002 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 106,000 MILES
When the heat is on and the truck is idling it blows cold air. The temp. Gage stays where it should be (195 deg.) When the truck is at 1500rpm or more hot air then comes out. Is this a vaccuum problem and where do I start?
Friday, January 29th, 2010 AT 8:05 AM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Make sure the coolant level is full. Let me know what you find.

Joe
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Wednesday, February 3rd, 2010 AT 8:29 AM
Tiny
BLPURSELL
  • MEMBER
  • 3 POSTS
It is a used truck I just purchased and had been sitting awhile. I drove the truck hard for one day and now everything seems to be working properly. Not sure what was wrong.
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Wednesday, February 3rd, 2010 AT 8:37 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
It may have needed cleaned out / old fuel.
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Wednesday, February 3rd, 2010 AT 10:21 AM
Tiny
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  • 3 POSTS
OK Thank you for your help
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Wednesday, February 3rd, 2010 AT 1:28 PM

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