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2000 Chevrolet Blazer sluggish at start

Tiny
JONROS1
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 124,956 MILES
Any time of year hot or cold get in my vehicle and starts fine but if I just take right off it is very very sluggish for 20- 30 secs then picks right back up and runs perfect. If I let it idle for 5 mins takes off perfect.
Friday, June 27th, 2014 AT 1:45 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Has the check engine light come on? Have you checked the coolant temp switch?
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Friday, June 27th, 2014 AT 8:50 PM
Tiny
JONROS1
  • MEMBER
  • 2 POSTS
No it has not flashed check engine light. What do I need to check on that switch? Thanks
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Monday, June 30th, 2014 AT 1:51 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
It should have set the check engine light. To check it, you need a scanner that reads live data so you can actually see what info is sent to the PCM.
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Monday, June 30th, 2014 AT 9:10 PM

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