Question about 1988 Honda Accord 4 Door
I have a 1988 honda accord carb. runs fine during good weather, wants to ideal bad and will loose power and stall out during rainy weather.
There are two likely possibilities: 1) Old/cracked Ignition system (spark) is being shorted out by water/humidity, 2) Carburetor icing.
1) This test is more effective if done at nighttime or in a darkened garage, as any spark arcing will be visible. Start the engine and let it idle. Use a spray bottle with water and mist your spark plugs, wires, distributor cap, and ignition coil with water. If you see spark arcing or the engine starts to run rough or stall, there's your problem, replace the ignition component(s) involved.
2) If your problem only occurs during cold moist rainy weather (ie. 45 degrees or below), especially if it only happens during highway driving, you could have carburetor icing. There is a hose that runs from the exhaust manifold shield to the underside of the air cleaner housing. In colder weather a valve will draw heated air from around the exhaust manifold through this hose into the air cleaner to prevent icing. Either this hose is missing/disconnected or this valve is not working correctly.
Hope this helps!
Posted on Feb 04, 2009
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