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Car Forum / Honda Cars / March 20081988 Honda Accord won't idle when warmed up
I've got an '88 Accord (carb and five speed) that will not idle when warmed up. It started this about six weeks ago when I was driving to work. I usually baby this car around but, this particular morning I ran the car up to about 3000-3500 rpm in 1st and 2nd gear and floor boarded it a couple of times in the other gears. When I got down the road aways (car had warmed up by this time) and was getting set up to make a turn, I pushed in the clutch to pull it into second and the car died. Restarted when I let out on the clutch. It's been doing this ever since. It will not idle when warmed up. Idles fine when cold. If I keep my foot on the gas pedal and hold the rpm's at about 1000 to 1200 it's fine but let it off and it dies. What could have happened that morning. I live in central Florida and the temp was in the high 40's that morning. HELP PLEASE > I've got an '88 Accord (carb and five speed) that will not idle when > warmed up. [quoted text clipped - 10 lines] > morning. I live in central Florida and the temp was in the high 40's > that morning. HELP PLEASE --------------------------- How full is you radiator and reservoir? The system depends on hot coolant to open / close some valves that will change your idle. 'Curly' > kdavis1...@tampabay.rr.com wrote: > > I've got an '88 Accord (carb and five speed) that will not idle when [quoted text clipped - 18 lines] > > 'Curly' coolant levels are right were they are supposed to be. kdavis1056@tampabay.rr.com wrote in news:3273d4fb-ae3a-458d-a886- ec86bcf95521@o77g2000hsf.googlegroups.com: >> kdavis1...@tampabay.rr.com wrote: >> > I've got an '88 Accord (carb and five speed) that will not idle when [quoted text clipped - 21 lines] > > coolant levels are right were they are supposed to be. Check for dirt in the idle/low speed jets.  SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > kdavis1...@tampabay.rr.com wrote in news:3273d4fb-ae3a-458d-a886- > ec86bcf95...@o77g2000hsf.googlegroups.com: [quoted text clipped - 33 lines] > > - Show quoted text - Is there any possibility of clogged fuel filters? Wouldn't that show up in higher rpm ranges also? > Is there any possibility of clogged fuel filters? Wouldn't that show > up in higher rpm ranges also? This has zero (0) to do with the filter. SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > I've got an '88 Accord (carb and five speed) that will not idle when > warmed up. Check out this thread in google groups: http://groups.google.com/group/rec.autos.makers.honda/browse_thread/thread/364ce e73a317470b/98c53ceab15fd7d2?hl=en&lnk=gst&q=cut+off+valve+dan# As you will see, I had a similar problem 5 years ago. From your symptoms, it seems plausible that this could be your problem also. It is notable that you live in a salty climate, as this car suffered salted roads for its first 9 years, making similar oxidation possible. Please pass this info on to your mechanic so he/she can check it out. This car ran like a top until this problem happened, and after I fixed it, just like yours. dan >> I've got an '88 Accord (carb and five speed) that will not idle when >> warmed up. [quoted text clipped - 12 lines] > This car ran like a top until this problem happened, and after I fixed > it, just like yours. Damn feedback carbs... SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > Damn feedback carbs... If that's the worst problem that happened in 15 years, then it's great! Just trying to get the word out that this could be a problem. I would actually still love to own that car, with its 32 mpg combined mileage. :( dan >> Damn feedback carbs... >> > If that's the worst problem that happened in 15 years, then it's great! > Just trying to get the word out that this could be a problem. I would > actually still love to own that car, with its 32 mpg combined mileage. :( It makes perfect sense that it would be the primary fuel mixture cut-off solenoid. Never thought of that, though I now recall reading the thread you referenced at the time it was posted. Remember when you had a vacuum throttle dashpot to keep emissions down when you clapped the throttle shut? Kept the engine revving and was annoying as hell. I had to disconnect the one on my '75 Corolla because it drove me nuts. I guess the electronic cut-off solenoid was an improvement of sorts... SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > >> Damn feedback carbs... > [quoted text clipped - 16 lines] > > The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/ Could a problem with timing or the distributor/ spark plug wires cause this kind of problem? How about a problem with the alternator? I've also noticed that my tach when I'm at an idle (with my foot on the pedal) does seem to bounce up and down about 200 to 300 rpms especially with the brake on. The jumpy tach actually started three or four weeks before the idle problem showed up. > Could a problem with timing or the distributor/ spark plug wires cause > this kind of problem? How about a problem with the alternator? I've > also noticed that my tach when I'm at an idle (with my foot on the > pedal) does seem to bounce up and down about 200 to 300 rpms > especially with the brake on. The jumpy tach actually started three > or four weeks before the idle problem showed up. It's possible it's the ignition. How old are the plug wires? Does this get worse on wet days? SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > kdavis1...@tampabay.rr.com wrote innews:634c5b94-ca05-49d3-a7a2-93223cdf2d7f@z38g2000hsc.googlegroups.com: > [quoted text clipped - 12 lines] > > The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/ I'm not sure on the plug wires, I got the car on Thanksgiving and to the best of my knowledge it acts the same wet or dry. Also when I said the tach jumps, I don't feel or hear any difference in the engine. >> kdavis1...@tampabay.rr.com wrote innews:634c5b94-ca05-49d3-a7a2-93223cdf2d7f@z38g2000hsc.googlegroups.com: >> [quoted text clipped - 16 lines] > Also when I said the tach jumps, I don't feel or hear any difference > in the engine. Have you or your mechanic checked the primary fuel cut-off solenoid yet? You just have to remove the air filter box and it's right behind the carburetor and is held in with only one bolt. Scratch up the mating surfaces with sandpaper and reassemble. It's not hard to do. From what you said originally, that is exactly what I experienced. dan |
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