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Sluggish when cold

Tiny
BOODLEDADDY
  • MEMBER
  • CHEVROLET
I have a 1987 Chevy Truck it has a new 350 engine with throttle body injection. I have put new headers on and the truck is now sluggish when the engine is cold. After warming the truck runs great. I have been told that a heated O2 sensor will fix the problem, but will it create problems for the computer?
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Wednesday, December 6th, 2006 AT 7:49 AM

1 Reply

Tiny
CANVIS69
  • MEMBER
  • 131 POSTS
It is more a issue of the engine coolant temp sensor. Heated lambda sensors are just for extra guages. You aren't running rich enough and given the age of your truck its a cheap 12 dollar guess over a $50 02 sensor and if the 12 dollar guess doesn't fix it you just won't have to worry about it.
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Thursday, December 7th, 2006 AT 1:00 AM

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