So today I was looking the truck over as I have my annual DOT on Monday, and found that the wastegate hose has split in two. Now I have only had this truck for a month, so what problems would this have caused as far a drivability? I have noticed that the truck had a very loud turbo/whine and that the boost would only build to about 25psi. Would this have also caused some bad MPG #'s???
Wastegate line on MBN??
Discussion in 'Trucks [ Eighteen Wheelers ]' started by SHC, May 5, 2011.
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If your ECM is stock, I'm surprised your yellow "check engine" light isn't on. That split hose will usually throw a code, and may even cause engine to "de-rate"
on an MBN, boost is usually around 28-30psi. Replace hose with Cat, or dealer part; (the others don't seem to last as long). Boost may come up a little after replacement, but ECM is designed to hold boost to 32psi max, IIRC. Whatever you do, DO NOT pinch off hose for more boost. -
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U can wrap the hose with aluminum foil,and it will last a long time.Heat is what kills the hose.
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SHC Thanks this.
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