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Poor fuel mileage, dead pedal, CEL on and off

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Have a 2000 5 speed 24v. Edge juice with attitude, 3.55s, 33” tires with leveling kit, fass150, getting poor mileage and not driving hard at all. Avg 13 hand calculated. Have dead pedal frequently, will last 5-10 sometimes 15 seconds then pedal will come back. CEL came off ran code p0237 low voltage. Checked some grounds, ran great for 2 weeks. Dead pedal came back no CEL. Changed map sensor still no help. Went over grounds again all look good. Truck has new batteries and all new terminals within past 6 months. 

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  • dripley
    dripley

    Where is spell check when you need it?

  • Dieselfuture
    Dieselfuture

    You need to go through your truck with some dielectric grease on all the multi plugs and cycle them a few times to make sure you get it all over the prongs. Then do the ground mods that everyone has b

  • Jeubank84
    Jeubank84

    Well fingers crossed I may have found the issue. I’m still going to do the ground mod when I get time. I took the air filter out to clean it, and there is a tiny ground behind my afe airbox that was l

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I have cleaned off a little bit of the paint for the grounds and put back with a coating of dialectric grease on the bare metal.

 

Will the dialectric grease stop the rust?

Kind of pricey but I use electrical insulating enamel paint on all electrical connections that aren't sealed from the elements, especially frame grounds.

 

https://www.amazon.com/Glyptal-Insulating-Paint-Aerosol-12-75/dp/B005QQLMBO

 

I use Glyptal brand. A little goes a long way so a can lasts me a very long time and I never have corrosion or rust at frame grounds after sprayed with insulating enamel.

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