1988 Acura Legend Check Light at Highway

1988 HONDA
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JEFFJ
  • MEMBER
  • 1 POST
I have a 1988 acura legend coupe with 95,000 miles, original motor no after market parts. When I get up on the highway around 60MPH after about 5 minutes the check light comes on and stays on until I shut the car off. When I turn the car on the check light is off until I drive on the highway again and get speeds atleast 60MPH. Wondering if there could be a something clogged in the fuel line or maybe the cat?

Thanks
Apr 20, 2006 at 2:45 PM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
No way of teling unless syou have a scanner run the codes. It sould like an emission code like a bad gas cap--only a guess with a code to read.
Apr 21, 2006 at 5:43 AM
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Suggested Repair

Scan the vehicle for diagnostic trouble codes before replacing parts. The check light cannot be diagnosed from the symptom alone; an emissions-related code, such as a loose or faulty gas cap, is only a possibility until the codes are read.

Conversation Summary

The owner of a 1988 Acura Legend coupe with 95,000 miles reports that the check light comes on after about five minutes at highway speeds around 60 mph and stays on until the car is shut off. It remains off after restart until highway speed is reached again. The owner wonders about a clogged fuel line or catalytic converter. The expert says the cause cannot be determined without scanning for codes and only guesses that it may be an emissions code, such as a bad gas cap.

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