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Sedans Honda Accord Honda Accord (1976-1989) Maintenance & Repair
412 messages, Last post on Oct 22, 2009 at 1:30 PM
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Replying to: chedonna (Mar 14, 2006 9:27 pm) My symptoms are similar, however my vacuum leaks are constant and on a much larger scale. It starts up ok, then the idle speed rpm climbs just as you described. This continues until the engine warms up then the motor dies, will not idle at all. I forgot the techncal discription of the following; I went to the dealership and talked the service manager into letting me read their engine manuals on this car he gave me 30 minutes. There is a idle speed boost meachanism that over rides the set idle speed if needed to keep the engine running, during startup, when cold and during periods of intermittent loss of vacuum. check all vacuum line hose ends and connections. makes a clean cut just behind the damaged hose ends and re-connect the hoses. If the condition continues, check for vacuum leaks at the manifold. You may need to replace or overhaul the carb. I need a vacumn diagram (exploded view) for a carburated 1985 accord. I have never seen a car with this many vacuum lines. right now I am trying to determine which line feeds the brake power booster (blown Diaphram) to cap it off without removing the booster. I want to make sure i can get the car to run normal before buying any parts. |
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Replying to: djvonbargen (Mar 09, 2006 5:08 am) |
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I need a vacumn diagram (exploded view) for a carburated 1985 accord. I have never seen a car with this many vacuum lines. right now I am trying to determine which line feeds the brake power booster (blown Diaphram) to cap it off without removing the booster. I want to make sure i can get the car to run normal before buying any parts.
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Replying to: mountnmonty (Mar 17, 2006 10:07 am) |
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Replying to: Mr_Shiftright (Dec 12, 2005 7:35 pm) i purchased a 1987 honda accord 5-speed, knew it had problems but bought it anyways. when it low idle its missing and jumping, and then sometimes it revs up to 4000 rpm by itself. some black smoke from exhaust tells me i am running very rich, the owner before put a new carb on it, and have read on this website that it could be the idle air control motor but cant locate the part, when accelerating up to 65 mph, the cars seems to run fine, but when not accelerating it jerks and jumps like it is missing, would appreciate any open suggestions, Thank you |
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I just bought a 1989 honda accord lx automatic. When I drive the car it jerks when it changes gear and it hesitates to change to the next gear. I have took the car to one place so far and they say it needs the transmission replaced. Want to know if that is true. Please advise me and the person wants to charge me $900 to replace. 
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At wide open throttle there is very little vacuum present in a gasoline piston engine. thats when it seems to run ok to you. At low throttle and at idel is when the most vacuum is present. Thats when you notice its not running right. In the early 80's all car mfgs did not know how to make horse power and still get fuel economy with computer controlled cars. one of the first methods dropped was using vacuum relayed sensors, devices and conduits as the primary input support system. check all vacuum line hose ends and connections. makes a clean cut just behind the damaged hose ends and re-connect the hoses.
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Replying to: mountnmonty (Mar 18, 2006 3:59 am) Mrbill
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Replying to: mcurrie (Mar 17, 2006 6:49 pm) It might be low.
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Replying to: djvonbargen (Mar 09, 2006 5:08 am) |
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