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Old 02-04-2010, 09:31 AM
j cAT j cAT is offline
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Re: 93 3/4 ton pinging

Quote:
Originally Posted by dcarreno2006 View Post
I checked the egr valve by pushing it in at idle and it tried to die so i know the passage ways are open. Its idles ruff cause of some miss that I'm dealing with. The plug I put in are autolites. When i slowly give it gas you can really tell the miss. I put it back in time and it still misses and pings. No ping at idle.

with the EGR to be operating correctly then check out the distributor for bearing wear..

I would have used the a/c plugs ..most find these are the ones with no issues..
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