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1998 Chevy Silverado

Tiny
SWENTZ88
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 144,280 MILES
It is rich on bank two, we put new cats and 4 new sensors, but it is still rich. Any ideas why.
Friday, July 31st, 2009 AT 10:38 AM

6 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Leaking injectors come to mind How are plugs on that side? Any with black soot?
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Friday, July 31st, 2009 AT 10:51 AM
Tiny
SWENTZ88
  • MEMBER
  • 4 POSTS
Yes they are full of black soot, but just on the one bank.
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Friday, July 31st, 2009 AT 10:54 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Maybe faulty fuel metering body. Are fowled plugs on pass side?
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Friday, July 31st, 2009 AT 11:17 AM
Tiny
SWENTZ88
  • MEMBER
  • 4 POSTS
We replaced the plugs already. It seems better for like 10 miles then bank two plugs soot again.
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Friday, July 31st, 2009 AT 11:18 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Then metering body seems to be the culprit or all injectors on right bank leaking.
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Friday, July 31st, 2009 AT 11:21 AM
Tiny
SWENTZ88
  • MEMBER
  • 4 POSTS
Ok I will try that and let you know
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Friday, July 31st, 2009 AT 11:33 AM

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