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Old 28 Nov 2011, 01:16 am
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Join Date: Aug 2007
Posts: 137
Default Why those my 1990 accord shut off ? ?

Hears a video off my car turning on . I've changed everything like main relay .fuel filter . Spark plugs . Spark plug wires . Oil changed . Everything electrical . Dizzy cap n rotor . Ect u name it I've changed it somewhat . I was thinking maybe it was the main fuel relay ?? Or perhaps a bad fuel pump ?? But I wana know for sure before I invest more money . I also put gas thinking it was that . Hears the video . Thanks
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Old 28 Nov 2011, 01:31 am
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Join Date: Aug 2007
Posts: 1,032

It must be losing fuel pressure or the EGR is hanging open. Ignition or injector failure will kill it quickly instead of letting it strangle like that. Auto Zone's loan program includes fuel pressure gauges, I think, which will help you tell if it is loss of fuel pressure. I have never personally known of a Honda fuel pump failing but it can happen.

The EGR valve is not as easy to remove as it looks - those two nuts are under the edge of the valve so they can't be reached with a socket and there is no room to swing a wrench. I had to use a crows foot wrench to get them loose. However, it isn't as hard to remove the exhaust gas tube from it so if the valve opens at idle (it shouldn't) it sucks in air instead of inert exhaust gas.

Either way it is not a common problem. Just a heads up though: recently somebody reported the classic main relay symptoms after he replaced his main relay, and when he opened up the new relay it had a connection that had not been soldered. That must have been frustrating.
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