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Old 08-19-2004, 14:32   #1 (permalink)
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EGR Help

Hello All, I seam to have a problem with my 02 Grand Marq 4.6L. It will stall when idling and my check engine light is flashing. I checked the codes and it is showing low egr flow and excessive egr flow. I changed out the egr valve and it now has a smoother ride and doesn't stall all the time. It's still abit rough when cold and the low and high egr flow codes are still being set in the computer. Any ideas thanks in advance.
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Old 08-19-2004, 16:04   #2 (permalink)
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Re: EGR Help

chevk your vacuum lines for cracks/holes they tend to get brittle over time
You can even safely block off the EGR with a plate. I had a 92 roadmaster once with 645 000km on it, EGR was a soild block of carbon, ran fine
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