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Old 08-05-2009, 12:02 PM   #1
poindex75
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Default 1990 honda accord starting problem

i have a 1990 honda accord having starting problems i wiil drive to work the car will sit for six to eight hours in th e lot i will try to start it will not start i will get a ride home then come back about five to six hours later it will start right up please help
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Old 08-05-2009, 12:21 PM   #2
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Default Re: 1990 honda accord starting problem

It's your ECU relay. This is very common for that generation accord. The relay is under the steering wheel, secured by a few 10mm nuts, I think. Because of where it sits, it can get very cold and very hot, which stresses the solder points on the relay. When they get warm, especially in the summer months, they develop a crack which can go all the way around the solder point and cause the connection to fail. All you need to do is remove the relay take the plastic cover off, touch all the solder points with a small solder gun and re-melt the solder, wait for it to cool, then put it back in.

The reason it starts fine in the morning is because it's cold. When you let it sit on blacktop for eight hours, though, it bakes, and makes the connection fail. You can find a how-to on the solder repair if you look on google I think. It might even be on here. The one I found had pictures, too.
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Last edited by lite1979; 08-05-2009 at 12:31 PM.
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Old 08-05-2009, 12:59 PM   #3
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Default Re: 1990 honda accord starting problem

Main Relay?
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Breaking the bank, maybe. Feeling like a boss, likely.
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Old 08-05-2009, 04:21 PM   #4
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Default Re: 1990 honda accord starting problem

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Originally Posted by lite1979 View Post
The relay is under the steering wheel, secured by a few 10mm nuts, I think. Because of where it sits, it can get very cold and very hot, which stresses the solder points on the relay.
Click the image to open in full size.
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Old 08-07-2009, 08:19 AM   #5
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Default Re: 1990 honda accord starting problem

changed the main relay about four months ago still have same problem any more info u can give me someone told me it may be the EFI relay what is this
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1990, accord, civic, fuel, honda, ignition, main, manual, pic, problem, problems, relay, starter, starting, tensioner

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