MY 2001 ASTRO IDLES AT 950 TO 1100 AFTER I ...

  • Tiny
  • Anonymous
  • 2001 Chevrolet Astro
  • 162,000 miles

My 2001 Astro idles at 950 to 1100 after I replaced spark plugs/wires and cleaned the TB. I have replaced the IAC, TPS, and cleaned the EGR (It was a little stuck). Also checked for vacuum leaks. It was running perfect before it started missing and I did the tune up.

Tuesday, December 11th, 2012 AT 4:08 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,815 posts

The next approach would be using a scan tool to analyze all the sensor data and look for something out of place like TPS or CTS.

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Tuesday, December 11th, 2012 AT 4:11 PM

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