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Old 22 Dec 2009, 12:44 am
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Default '89 Accord Stalling after warm-up

At first I thought it was a problem with the catalytic converter being plugged up, I replaced the converter and O2 sensor and now the car seems to run for longer before stalling, but otherwise the same symptoms as before.

I'll start it up when cold, it will idle fast until warm then drop down to about 1500 rpm and idle like that for about ten to fifteen minutes before abruptly shutting off. The dash lights all come on when it dies so I'm pretty sure it's not the ignition switch. The car has new front and rear fuel filters, PCV, plugs, and plug wires. The ignition coil, igniter, and distributer cap and rotor are less than a year old (~7k miles). I cleaned out the EGR valve yesterday to no effect, though the ports in the intake manifold could still be gunked up.

Once it's stalled it doesn't seem to want to start for about a half hour or so. If it does start before then, the tach will bounce down when you rev it before stalling again. So if you rev it to 3k, the tach will drop to ~2700 then pop back to 3k a few times without a corresponding change in sound from the engine then drop to zero.

I'm at my wits end about what's wrong here, between the honda shop manual and the haynes book I can't seem to think of what might be going on. I checked the main relay and the solder points look fine. The car just started doing this a couple weeks ago and now the problem is pretty consistent. I've been trying to read the code from the ECU under the drivers seat, but there's no light in the window on the back.

Is it possible that the IACV is bad? I can't seem to find it, is it behind the carb or something?

The car is an 1989 Accord DX 2dr 2.0L 5MT Carburated.

Anybody have any ideas?

Thanks for the help,
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Old 22 Dec 2009, 06:36 pm
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Default Re: '89 Accord Stalling after warm-up

I took some pictures of the engine with the air cleaner removed in case anybody might be able to help me find the IACV with them. Or do I even have one?

Also, I checked the timing today and it was a little retarded, after adjusting the engine still died after ten minutes or so, but it idled really low and dieseled instead of just shutting off straight away.

Hope that helps.

Last edited by avacadoinacan; 22 Dec 2009 at 06:48 pm.
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