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1992 S-10 Pickup

Tiny
CHEVYPICKUPS101996
  • MEMBER
  • 1992 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
A couple weeks ago when I sat down in my truck I heard a 'crack' sound. I'm 5'2, 146lol so what the heck was thatlol When I started the engine, I heard a loud 'pop!' Everything seemed normal before and after that. For the past 6 days while driving, he will run fine then act like he is not getting enough fuel. The fuel pump & fuel filter were changed 5 months ago. The tank is 3/4 full; I added two bottles of fuel additive in case its water in the fuel. That has not helped. What shouold I have checked and how? Janie
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Sunday, March 13th, 2011 AT 12:26 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be one of the following below -check and test:

Oxygen sensors.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Sunday, March 13th, 2011 AT 12:47 AM

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