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Car Forum / Honda Cars / August 2006My car idles realy badly. What could be the problem?
I am trying to fix up an 86 Honda Accord DX that I just recently bought. It idles really badly and I don't know what the problem might be. When I stop the RPM bounces from 1,300 to 200. It also frequently dies in the process of fluctuation. As a result I have to throw the car in neutral when ever I come to a stop and keep the engine revving at about 1,500 RPMs. Do you have any ideas of what the problem could be? Does this occur only after the car has been running for around 20 minutes? If so, I would suspect the ignition coil. Is this Accord carbureted or fuel injected. How many miles? See also the free online manual for your 86 Accord at www.autozone.com . It should have an idle troubleshooting matrix. >I am trying to fix up an 86 Honda Accord DX that I just >recently [quoted text clipped - 8 lines] > about 1,500 RPMs. Do you have any ideas of what the > problem could be? I am trying to fix up an 86 Honda Accord DX that I just recently bought. It idles really badly and I don't know what the problem might be. When I stop the RPM bounces from 1,300 to 200. It also frequently dies in the process of fluctuation. As a result I have to throw the car in neutral when ever I come to a stop and keep the engine revving at about 1,500 RPMs. Do you have any ideas of what the problem could be? These are some of the causes for this problem: Vacuum leakage. Defective EGR valve. Air Filter clogged. Fuel pump not delivering sufficient fuel. Leaking head gasket. Timing belt and/or pulleys worn. Camshaft lobes worn Problem in Engine Mount Control System. You may want to take the car to a mechanic and have him or her hook it up to the Diagnostic Computerized Engine Tester. In some cases, this is cheaper than spending hours of time and / or replacing parts that are in perfect working order. Jason Is this Accord carbureted or fuel injected. How many miles The 86-89 DX and LX Accords had carbs. I may be wrong but I think the only model which featured FI were the '89 SE-i's. > Is this Accord carbureted or fuel injected. How many miles > > The 86-89 DX and LX Accords had carbs. I may be wrong but I think the only > model which featured FI were the '89 SE-i's. I don't know about in the U.S., but I also remember the LXi and EXi here in Canada. The 'i' in these model designations indicates fuel injection. Headknocker via CarKB.com wrote > Is this Accord carbureted or fuel injected. How many mile > The 86-89 DX and LX Accords had carbs. I may be wrong but I think the onl > model which featured FI were the '89 SE-i's I don't know about in the U.S., but I also remember the LXi and EXi here i Canada. The 'i' in these model designations indicates fuel injection its an 86" let me think way back for a moment". back then in canada they still used the old carburetor on there. witch could be a problem in its present state because of the age" i mean. it could be the chock not be working right. thats one posibility i would try using a "carb cleaner spray" and spray it down the carburetor with the engine running at fast idle. to clean any carbon in there and see if that helps in any way? say with the engine fully warmed up is there any hesitation at all when your accellerating? also its a good idea to check your basic items like: vacuum hoses for any cracks, spark plug wires, spark plugs, cap&roter, air filter, & i would change the fuell filter -- johnin > I am trying to fix up an 86 Honda Accord DX that I just recently > bought. It idles really badly and I don't know what the problem might > be. When I stop the RPM bounces from 1,300 to 200. It also frequently > dies in the process of fluctuation. As a result I have to throw the car > in neutral when ever I come to a stop and keep the engine revving at > about 1,500 RPMs. Do you have any ideas of what the problem could be? Intermittent vacuum leak? JT >>I am trying to fix up an 86 Honda Accord DX that I just recently >>bought. It idles really badly and I don't know what the problem might [quoted text clipped - 4 lines] > > Intermittent vacuum leak? That would be my first call as well. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0619-3, 05/12/2006 Tested on: 5/13/2006 11:12:22 AM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com > I am trying to fix up an 86 Honda Accord DX that I just recently > bought. It idles really badly and I don't know what the problem might > be. When I stop the RPM bounces from 1,300 to 200. It also frequently > dies in the process of fluctuation. As a result I have to throw the car > in neutral when ever I come to a stop and keep the engine revving at > about 1,500 RPMs. Do you have any ideas of what the problem could be? I once had this problem in a 90 accord. I found that the fuel pump was defective and there was a vacuum leak. After about 500 miles the engine blew and the car was scrapped. Never got to pinpoint the exact cause, but my accord also had stalled/studdered revs at random times during acceleration (kinda sounded like a machine gun, on/off rapidly). My first thoughts were fuel injectors and oxygen sensor. Replacing these did nothing. I never got to repair the fuel pump or vacuum leak. >>I am trying to fix up an 86 Honda Accord DX that I just recently >>bought. It idles really badly and I don't know what the problem might [quoted text clipped - 10 lines] > thoughts were fuel injectors and oxygen sensor. Replacing these did > nothing. I never got to repair the fuel pump or vacuum leak. An 86 is more likely to be carb'd, so the fuel pump isn't as much of an issue, but I'd definitely suspect a vacuum leak from this description. |
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