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egr insufficient flow or ignition timing

 
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Old 01-19-2012, 01:10 AM
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egr insufficient flow or ignition timing

So i'm new to this, I don't know if this is the right place to ask, but I need help. I have a 1999 prelude, with the check engine light on. The code was insufficent egr flow. I clean the egr valve, and reset the engine light. It worked fine for a day drove it at least 50 miles, the next day I decide to smog check it but failed for the second time, because the ignition timming was at 10 instead of 15 or something like that. The first time was failed because I neded new cat and egr flow codes came up.but this last test said nothing about the egr just timing. What could this be?
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Old 01-19-2012, 09:17 AM
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Re: egr insufficient flow or ignition timing

your intake manifold needs an egr service. the ports in the manifold are clogged with carbon.
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Old 01-19-2012, 08:42 PM
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Re: egr insufficient flow or ignition timing

Try Lucas Fuel System cleaner. since I started that treatment after getting egr codes and cleaning, no more cel. Over 1k and still no problems. You might try it and see what happens..
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Old 01-19-2012, 11:02 PM
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Re: egr insufficient flow or ignition timing

I tried the Lucas fuel treatment as well. I'm going to give the Ports cleaning tomorow, I've bought the new caps. But i'm wondering if that's the reason my ignition timing btdc was at 10.if the egr code clears after the port cleaning, and timing is still off how do I adjust the timing?
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Old 01-20-2012, 12:48 PM
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Re: egr insufficient flow or ignition timing

Forget Lucas use seafoam. It actually works
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Old 01-20-2012, 02:20 PM
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Re: egr insufficient flow or ignition timing

forget the cure in the bottle... clean the F'ing egr ports on the intake manifold.
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Old 01-20-2012, 07:06 PM
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Re: egr insufficient flow or ignition timing

I just used the Lucas treatment AFTER cleaning the egr and the ports. After cleaning it was still throwing the egr flow code and post treatment no cel. Seafoam is great too +1
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Old 01-21-2012, 03:25 AM
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Icon7 Re: egr insufficient flow or ignition timing

I cleaned the Ports today and the egr valve too. I added seafoam to vacum and another to the full gas tank, car smoked for a while. I erased the egr code and hasnt came up yet. Hopefully it stays off. But I still need to adjust timing, do you guys know how? Thanks
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