94 explorer,sparkplugs melting
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94 explorer,sparkplugs melting
my 94 explorer melted all 6 plugs 3 years ago,don't know why. i changed all the injectors and it ran fine for 3 years. again it is melting all 6 plugs,don't know what to do.everyone i talk to has never heard of melting down all 6 plugs .even the plug insulaters are destroyed.
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about 40,000,however 3 years ago plugs lasted less than 1oo miles on the e-way with this problem.check engine light comes on after only afew miles.super star computer points to egr valve.is this possible?
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plugs are destroyed,whats left is mostly black.codes kicked out are as follows; 181-fuel rich limit-rt. side,186 -injector pulse width high,189-fuel rich limit-left side,332-egr valve not opening
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From: SoCal
186 can also be "MAF voltage lower than expected". Search this site for how to clean the MAF or go here www.glue.umd.edu/~singletn/exp.html The MAF would probably also explain the 181. Could'nt hurt to run it for a minute, shut it off & remove the vacuum hose from the fuel pressure regulator. It should be dry.
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I changed the egr exhaust tube(had a hole in it)but the check engine light still came on after 2 or 3 miles.After driving for a few days the check engine light does not come on now.The computer memory probaly reset itself,since I did not clear all the codes.Maybe it's fixed.Time will tell.I thank everyone for thier input.