bigmack73 Posted February 15, 2013 Share Posted February 15, 2013 Hey guys ive got an r model dump truck when its not loaded it runs fine and flies when its loaded it wont go up a slight hill. I dont know what it could be please help Quote Link to comment Share on other sites More sharing options...
mack mhe9 Posted February 15, 2013 Share Posted February 15, 2013 start with fuel filters, Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted February 15, 2013 Share Posted February 15, 2013 What year? Quote Matt Link to comment Share on other sites More sharing options...
bigmack73 Posted February 15, 2013 Author Share Posted February 15, 2013 91 Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted February 15, 2013 Share Posted February 15, 2013 Mash the fuel pedal to the floor with the parking brake on see how much smoke and then release brakes and mash it to the floor and see how much smoke comes out. Sounds like you got a bad anaroid valve or blown hose somewhere. Also check for leaks from turbo to intake. Quote Matt Link to comment Share on other sites More sharing options...
rsb502 Posted February 16, 2013 Share Posted February 16, 2013 91 no power under load, yep check as above your not getting your fuel advanced under a load or your bleeding charge air in the intake system somewhere, when its not wanting to pull does it smoke more than usual or not at all? Smoke check intake system you got a leak no smoke your not getting your pump to advance. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment Share on other sites More sharing options...
slpwlker Posted February 16, 2013 Share Posted February 16, 2013 Fuel Filters would be my first guess Quote Link to comment Share on other sites More sharing options...
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