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92 Accord smooth idle rough in gear

Tiny
HONDAACCORD
  • MEMBER
  • 1992 HONDA ACCORD
I have a 1992 honda accord ex 2.2 automatic coupe. My problem is that when I put my car in reverse or in drive it starts running rough and miss firing. The symptoms started about a week before it started missing; I started to notice that when I was at a light or at idle the rpms would just fluctuate up down up down from about 2000-1000rpms, then it started missing on acceleration and always in gear at all times. I recently had the valves reconditioned becasue of the same problem about a 3 months ago, ive already checked the plugs, wires, cap, rotor, egr, pcv, o2 sensor and all had no effect on the problem, any help would be greatly apreciated
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Tuesday, February 13th, 2007 AT 11:49 AM

1 Reply

Tiny
BRUCE HUNT
  • MECHANIC
  • 3,754 POSTS
The surging of the engine can be a result of a vacuum leak. Check the lines. It can be a result of low coolant in the system or air in the cooling system. Purge of air and top off the fluid. Another cause is often a leak in the intake manifold whether a crack or more often a bad gasket. Had any work done on the intake manifold? They can do a smoke test on the manifold.

The hesitation could be the EGR valve needing to be cleaned or a bad plug wire. You may have checked them but that is a symptom.
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Tuesday, February 13th, 2007 AT 11:59 AM

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