subaru 2.2 misses at engine speeds below 1500 rpm what could cause this

2001 SUBARU IMPREZA
235,000 MILES
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RCDAV
  • MEMBER
  • 1 POST
just installed new timing belt and idlers-new plugs-- had miss at idle befor any of this work was done and no change was made
Nov 19, 2011 at 7:46 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Is the Malfunction Indicator Light showing?

There are many possible causes for misfiring and the most common would be ignition related.
Were the spark plug wires checked?
Nov 19, 2011 at 8:15 PM
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