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1991 honda civic 1.5 L

Sent to Car Experts February 21, 2006 10:30 a.m.

after engine is warm, short downhill run
when starting up hill at 1200 rpm has
intermitant miss for 30 seconds
Has no indication of igniton problem.

Optional Information:
1991 Honda civic 1.5 L

Already Tried:
checked high tension side of igniton sys for leaks. it does not show any error message on ECU

Customer (name blocked for privacy)

Status: Closed Value: $10

Info Request
February 21, 2006 5:24 p.m. (6 hours and 53 minutes later)

How did you test the ignition system?

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ASE Master Technician/Advanced Automotive Diagnostic Technician

Reply
Sent February 22, 2006 7:48 a.m. (14 hours and 24 minutes later)

1 CAREFUL NINSPECTION 0F DIST CAP AND ALL OTHER H

IGH VOLDAGE PARTS FOR TRACKS
2 DOES NOT MISS AT FULL THROTTLE ONLY UNDER LIGHT LOAD

Customer (name blocked for privacy)

Answer
February 22, 2006 5:47 p.m. (9 hours and 59 minutes later)

ACCEPTED

A 1991 is not going to flag a code for a misfire that would be 1996 and up so the computer won't know.The problem you are having is very indicative of a secondary ignition misfire.I would strongly suggest replacing the cap,rotor,plug wires and plugs.That will most likely solve your problem you can't really always look and see a problem with your eyes.You can try spraying some water on the cap and wires to see if that indues a misfire then that would tell you for 100% they are bad.On Hondas part of the wire is down in the valve cover so it may not always catch the problem with the water test.If you have oil on the spark plug wires change the valve cover gasket also.

__________________
Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.

Davo -- Master technician -- 100% Positive Feedback on 1875 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician

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