1999 Chevy S-10 engine floods and stalls

1999 CHEVROLET S-10
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DAVID GAWORSKI
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Engine Performance problem
1999 Chevy S-10 6 cyl Four Wheel Drive Manual

engine seems to flood and stall at 3ooo or lower rpm when up to normal temp. tried your suggestion changed ect temp sender ,problem became more erractic.tried changing maf sensor ,no improvement.any suggestions ?
Mar 30, 2009 at 1:57 PM
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RASMATAZ
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You need to check the fuel pressure to rule out the fuel pump overpressurizing the system due to clogged return line and a problem with the regulator leaking or injector/s leaking. also check the MAP sensor
Mar 30, 2009 at 3:35 PM
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RASMATAZ
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Have you checked the fuel pressure?
Apr 8, 2009 at 2:59 PM
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DAVID GAWORSKI
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fuel pressure is 52-54lbs according to manual right were it should be.
Apr 9, 2009 at 2:05 AM
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RASMATAZ
  • ✓Experienced Mechanic
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Engine Performance problem 1999 Chevy S-10 6 cyl Four Wheel Drive Manual 4.3L engine is a 6cyl The fuel pressure should be 60-66 psi yours is on the short side.


https://images.2carpros.com/forum/automotive_pictures/12900_fuel_pressure_9.jpg

Apr 9, 2009 at 2:14 AM
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