Question about 1987 Honda Accord
I have a 1987 honda accord that is giving me problems when starting in the morning. When i start it the engine idels real high and stays there until it warm up ? Any suggestions on why it may be doing that ?
I had the same problem with my carb on my '87 Accord LX. Worse yet, it would sometimes go into a high rev mode even when the motor was warm. While searching out the problem last summer (2007), I found bad diaphragm on the choke control valve. Although I found a replacement part online (70 bucks), I jury rigged the choke by disconnecting the diaphragm control arm from the choke butter fly, and wired the butterfly completely open (normal running position), and closing off the rubber vacuum tube. To date, I haven't replaced the choke diaphragm, drive it daily, and my city gas mileage has significantly improved. The only requirement is using rapid gas peddle movements while starting when cold (it was down to 10F here last winter), then keeping the revs around 1200 for a minute or so until the engine will run without peddle pressure. In warmer climes merely pressing the gas peddle once before starting.
If your tired of the gas guzzling hi revs, and want a simple, easy fix, give it a try
I just turned 250,000 miles, get 29mpg city, 39hiway, and both the engine, and the auto trans haven't been touched internally since the day they were installed in Japan 22 years ago. Changing the oil and filter every 3000 miles has certainly helped, but even so, everything still works like it did the day I bought it.
Posted on Oct 17, 2008
I wrote another comment related to this. I have had an 86 and now have an 87 accord. Both do that. I think it has to do with a bad thermowax valve, but you cant replace that indiv. Replacement carb in my area is about $450. I just live with it. It has never caused me a problem. I did adjust the choke and did a few other small things and it seemed to help.
Posted on Sep 23, 2008
I have an 87 accord manual carbureted with 200k miles on it and mine has done that ever since I got it. I've owned it for about four years now and the previous owner told me it happens. I have no idea what it means but the only problem I've ever had was when the alternator went out last summer (which I doubt is related but had similar symptoms).
Not a solution, more just commiseration.
Posted on Jun 10, 2008
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Posted on Jan 02, 2017
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