1999 Ford V10 Loping at Idle (Help)
Hey all, I have a 1999 Four Winds (Thor) 30Q on what I believe is an F53 chassis with the 6.8L V10. It has developed a loping idle and am undecided as to what to tackle first. There is no check eng...
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my 99 V10 had a similar problem.The egr valve was bad.It wasn,t clogged the diagphram was ruptered inside.I diagnosed by attaching a piece of vacumn line to the egr and sucking on it.There was no resistance.
