Question about 1994 Chevrolet Caprice

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1989 Chevrolet Caprice

My 1989 Chevy Caprice 5.0L drives fine until I come to a red light or shift into reverse. Then the engine dies but starts right back up. New plugs wires cap and rotor pcv valve o2 sensor and fuel filter. Most major parts are originals. Any idea...

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  • Chevrolet Master
  • 5,280 Answers

Check the computer controlled idle valve or motor. And clean it and the air passages it controls with a sensor safe cleaner. Throttle body cleaner or intake cleaner made by CRC (at Napa) works good. Check for a dirty air filter.

Posted on Jan 02, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 335 Answers

SOURCE: I Have a 2002 blazer that starts but motor dies, surges when accelerating

If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe

Posted on May 26, 2009

  • 37 Answers

SOURCE: 98 Astro Van,when warm hesitating, stalling

WELL YOU CHANGED ALMOST EVERY THING EXCEPT IGNITION CONTROL MODULE........

Posted on Jun 27, 2009

  • 21 Answers

SOURCE: 89 chevy s10 blazer puff smoke out tailpipe when 1st started

the puff of smoke is one of 2 things, dampness in the exhuast from setting over night,like ice water on a hot day ,the glass draws miosture,this is harmless, the other is worn valve seals,a puff of gray blue smoke then it,s gone,harmless.,but if it smokes while your driving it after 2 minits you may need new positive check valve $5 part,if it uses excessive oil have it checked

Posted on Jul 13, 2009

  • 11 Answers

SOURCE: I have a chevy silverado - 5.7 engine. It runs

Fuel Pressure/Pump?
Injectors?
Fuel Pressure Regulator?
Are there any codes/check engine light?
Ignition coil?
Just off the top of my head.

Posted on Mar 11, 2010

anonymous_da
  • 75 Answers

SOURCE: 97 chevy cargo van 5.7liter engine. Replaced fuel

try to spray some carburetor cleaner inside where the air goes in the engine...it will clean the system and it might start...
press some gas when you try to start the vehicle...
good luck!

Posted on Oct 09, 2010

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