Truck emits too much smoke

Tiny
EDGAR ARMENTA
  • MEMBER
  • 2000 CHEVROLET S-10
  • 2.2L
  • 4 CYL
  • RWD
  • MANUAL
  • 200,000 MILES
The problem I having is that it spits out a lot of smoke through the exhaust. I changed the O2 sensors, the two of them and it still emits a lot of smoke out of the exhaust. Black smoke to be specific, and it wastes more fuel than normal.
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Friday, November 11th, 2016 AT 6:12 PM

4 Replies

Tiny
SATURNTECH9
  • CERTIFIED MECHANIC
Have you checked for codes in the computer yet?
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Friday, November 11th, 2016 AT 8:50 PM
Tiny
SATURNTECH9
  • CERTIFIED MECHANIC
Also, have you checked the coolant temperature sensor yet?
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Friday, November 11th, 2016 AT 8:50 PM
Tiny
EDGAR ARMENTA
  • MEMBER
Only code appearing is the p0171 indicating that the fuel system is too lean (Bank 1), the temperature goes up to 180, no higher. Coolant temperature sensor does not appear on the list of codes either.
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Saturday, November 12th, 2016 AT 9:27 AM
Tiny
SATURNTECH9
  • CERTIFIED MECHANIC
A bad coolant temperature sensor a lot times does not set a code. The code is most likely a vacuum leak somewhere.
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Saturday, November 12th, 2016 AT 12:01 PM

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