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#1
03-19-2009, 10:09 PM
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Running rich!!!!!!!!!!
My 1994 wagon is running rich on both side according to the self check. I als failed an emission for NOX. I'm assuming it's time for new cats.
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#2
03-20-2009, 07:13 AM
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Re: Running rich!!!!!!!!!!
What is the fuel pressure? Is the EGR working properly?
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up.  HEY Y'ALL--READ THIS Here are some of our old vehicles for sale. 
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#3
03-20-2009, 08:11 AM
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Re: Running rich!!!!!!!!!!
If it's running rich, you need to fix that before replacing cats anyway. Rich exhaust causes the converters to run hotter than usual and could contribute to their deterioration.
Are you running OEM style spark plugs or trying some fancy spark plug? Many modern cars don't do well with non-OEM style plugs, and such a 'modification' could possibly contribute to your rich condition. Checking the fuel pressure as Way2Old suggested is a wonderful starting point. -Rod
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#4
03-29-2009, 12:55 AM
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Re: Running rich!!!!!!!!!!
my mistake. It is running lean and burning aloi of gas. I changed the plugs ( motorcraft platium) and my gas mileage is back need to check on emissions next.
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