Question about 1994 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...
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
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Posted on Jan 02, 2017
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
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
Fuel Pressure Regulator?
Are there any codes/check engine light?
Just off the top of my head.
Posted on Mar 11, 2010
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...
Posted on Oct 09, 2010
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