Flashing CEL
01-05-2009, 06:02 PM
Join Date: Jul 2007
Location: DFW, Texas
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dhvaughan,
My understanding is that when a valve guide seal goes, oil can pass by and dilute the gas, which cuts the octane and causes a ping. At least that's how it was described to me.
I'm going to try a compression test next weekend to see where I'm at on each of the 8 cylinders.
02-22-2009, 06:23 PM
Join Date: Aug 2005
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the map will not cause the pinging. check for tech service bulit. my truck needs the computer reprogramed. will not retard the timming
03-02-2009, 09:41 PM
Join Date: Aug 2005
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still pinging. pissed off ready to trade it in
03-02-2009, 11:10 PM
Join Date: Jul 2007
Location: DFW, Texas
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dude hang in there. I've been there myself.
03-02-2009, 11:24 PM
Join Date: Jul 2005
Location: Greeneville, TN
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Me too this is when you rebuild and make it better lol
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