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Choked engine

Tiny
SACHA_NICOLE
  • MEMBER
  • 2000 OLDSMOBILE SILHOUETTE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
2000 olds silhouette: Engine rough at high RPM. Runs ok for a couple of days and then chokes' sputters and dies, then will not restart (cranks but no start) until left to sit for a long while (days/weeks). Replaced EVAP purge Valve, Cam shaft position sensor, starter (another problem). Thinking it may be either the fuel pressure Regulator, EGR valve, vacuum line, or Crankshaft Position Sensor? Emissions or fuel system, doesn't seem to be air, but don't know.
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Tuesday, January 25th, 2011 AT 7:25 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
When the problem occurs, have a helper crank it, while you check for spark at the spark plugs. If you have spark everywhere, use a gage and check fuel pressure. Any applicable trouble codes?
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Thursday, March 24th, 2011 AT 8:13 PM

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