ENGINE IS SURGING

  • Tiny
  • llavigne
  • 2003 Ford Focus
  • 250,000 miles

I drive a 2003 ford focus zx and have noticedthe idle rpms decrease and jump up and down. What is the normal rpm for my car and is the "jumping up and down normal?

Friday, January 6th, 2012 AT 5:09 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 43,014 posts

Check for a vacuum leak and fuelpressure 35-70 psi. Also clean the throttle plate and iac valve with choke cleaner on both sides.

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Friday, January 6th, 2012 AT 9:27 PM

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