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1992 Chevy Blazer Fuel Leaking from exhaust please help

Tiny
JPAKERS
  • MEMBER
  • 1992 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I have a 1992 Chevy Blazer 4x4 with a 4.3 vortec. My question is, what would cuase fuel to drip out of exhaust when the truck is runing(also a mist of gas at the ehaust Y-pipe gasket), also it is running rather rough. What should I check and look for to diagnose this problem. Recently a new fuel pump was installed but this problem started 3 months after that.
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Thursday, October 9th, 2008 AT 5:13 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Either ablown fuel pressure regulator, stuck injector or the fuel lines under the upper intake are leaking. Have sen all 3 of these problems before. Remove the upper intake, turn key to on position and see if the reg or line is leaking first
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Thursday, October 9th, 2008 AT 5:19 PM
Tiny
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Thanx
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Thursday, October 9th, 2008 AT 5:21 PM

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