Misfires at idle but not at 1500 RPMs

Tiny
ANONYMOUS
  • 1998 MITSUBISHI GALANT
  • 17,000 MILES

Misfires at idle but not at 1500 rpms. Changed plugs wires cap rotor switched injectors and ecu. 1 year ago did timing belt/balance belt and new head. Did a compression check 180lbs leak down test pasted even tried another distributor only misses on number 4. Did a fuel pressure check 50 and 60 with vacuum off.

Friday, January 4th, 2013 AT 2:28 AM

1 Reply

Tiny
KHLOW2008
  • EXPERT
  • 42,008 POSTS

Did you check for vacuum leaks to # 4 cylinder?

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Friday, January 4th, 2013 AT 3:16 PM

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