1996 Honda Civic smog

1996 HONDA CIVIC
171,256 MILES • 4 CYL • FWD • MANUAL
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STUPIDASSO15
  • MEMBER
  • 1 POST
i have a 1996 honda civic hatch back and i faild my hydrocarbons at idle the limit was 250 and i got 259 and i was wonderg if the idle being at 1019 instead of factory (670 +/- 50) could be the reason?
Sep 25, 2010 at 6:27 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Probable causes could be an engine compression problem such a burned exhaust valve, Ignition problems with plugs, wires and coil, to include vacuum leaks, injector problem and fuel delivery-Drop the idle speed to specs
Sep 25, 2010 at 8:30 AM
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