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Re: 1989 accord lx, idles high at start-up, now it won't...
Carburated engines of that year may have an idle screw adjuster. You can see the screw from the outside of the carb. If so, try adjusting the carburator with a screwdriver. Unlike fuel injected Engines they can be manually adjusted.
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Have your engine scoped out by a reputable service shop. Was it running better before you replaced those items? Have you done a tune up lately? Did you buy bad gas? Are your fuel injectors clean? Is the fuel pump going out on you? Are your spark plugs and spark plug wires good? Are their any sensors that may need replacing? I have a 1990 Honda Accord and the car just wants to keep taking my money. It needs too much love to keep any more. Terry
if it is carburated it sounds like bad accelerator pump in carb, or plugged fuel filter. if you haven't changed the fuel filter recently i'd start with that.if that was done than you may have a bad carb accelerator pump. needs rebuild or replaced.
The idle speed for my 88 accord lx is 700-850 rpm for standard idle speed. The stalling is a seperate issue. When were plugs, wires, air/gas filters and distributor last checked? How long has engine been running for when you stall? Is the temprature gauge high? Any lights coming on when stall occurs? I am not a mechanic, but a DYI'er. These are common questions I am always asked when troubleshooting my Honda. :)
check for air leaks on the emission system, if fine, check for the throthle posittioner disconect it, if idles good, replaceit, next go to the idle motor, is next to the throthle body, remove it and clean it with a good carburator cleaner, install it and start the car.