1992 Chevy Blazer Fuel Leaking from exhaust please help

1992 CHEVROLET BLAZER
200,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JPAKERS
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  • 2 POSTS
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.
Oct 9, 2008 at 10:13 AM
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2CARPRO JACK
  • ✓Experienced 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
Oct 9, 2008 at 10:19 AM
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JPAKERS
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thanx
Oct 9, 2008 at 10:21 AM
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