1991 Honda Prelude Check engine light comes on when idle.!

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PRETTYPREE
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  • 1 POST
Engine Performance problem
1991 Honda Prelude 4 cyl Front Wheel Drive Manual 244xxx miles

swapped the moter out at 195xxx.
when at a idle the check engine light comes on.
if i turn the car off and back on the light is off.
when i rev the engine a little the light stays off but as soon as i let it idle the check engine light comes on. please help me.
Oct 4, 2010 at 8:50 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
Oct 4, 2010 at 8:00 PM
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