Fluctuating rpm while towing
#1
Join Date: Apr 2021
Location: Charlotte, North Carolina
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#2
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#5
Join Date: Apr 2021
Location: Charlotte, North Carolina
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also i didnt know there was a tow mode is that the little switch beside my od?
and my od has never worked since i bought the truck. When i turn it on it runs at 3k rpm
ive been having evap problems. Dont think this could cause it. But i have changed out the pcv valve. Pcv hose, charcoal canister, solenoid, and the lines from solenoid to charcoal canister but the check engine will not go away
Last edited by Steven Jones; 10-25-2021 at 08:36 PM.
#6
#7
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i have a BIG problem then. I have always driven with the light off. When i press the button and the light is on is when my truck feels like it loses half its power and moves up to 3 k rpm. Weird that it loses power but rpm goes up
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#8
#9
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Well heyyou. This truck is old its got 290k with the original trans and engine. The previous owner DID NOT take care of her too well. Rust all in the coolant systems. Oil leaks everywhere. Ive changed out almost all the easily accesible gaskets. Rear diff fluid was black when i changed it. I mean she was just in real poor condition
so far ive changed the diff fluid and gasket replaced almost tge whole evap system minus the parts where i need to drop the tank. Put a hughes plenum in. Cleaned the intake and throttle body, steering gearbox, power steering hose, shift sensor, trans governor sensor, water pump, coolant hoses,
ive taken care of almost all the power loss issues i was having. Took care of the stalling i was having. Trana doesnt slip anymore.
but i mean my current problem as well along with the rpm surge. Is im 99% sure i have a blown headgasket or part of the block is cracked.
ive been losing slight amounts of coolant for abt three months. I popped off the radiator cap and let it run. It didnt bubble but theres definitely slight amount of oil in there. Is giving that rainbow look.
i know its almost rebuild time. But ive sunk a pretty penny in my own tine and money in her and i just cant afford to put anymore esp with the age.
sidenote i do beat the hell out of her
i mean two-three times a week i put a 3600 pound pallet of sakrete in the bed which i know is WAY overloaded. And i also haul way more than the gvwr reccomends sometimes by about two tons. But the issue is i have a small concrete business and i have to do what i have to until i can afford a bigger truck.
so far ive changed the diff fluid and gasket replaced almost tge whole evap system minus the parts where i need to drop the tank. Put a hughes plenum in. Cleaned the intake and throttle body, steering gearbox, power steering hose, shift sensor, trans governor sensor, water pump, coolant hoses,
ive taken care of almost all the power loss issues i was having. Took care of the stalling i was having. Trana doesnt slip anymore.
but i mean my current problem as well along with the rpm surge. Is im 99% sure i have a blown headgasket or part of the block is cracked.
ive been losing slight amounts of coolant for abt three months. I popped off the radiator cap and let it run. It didnt bubble but theres definitely slight amount of oil in there. Is giving that rainbow look.
i know its almost rebuild time. But ive sunk a pretty penny in my own tine and money in her and i just cant afford to put anymore esp with the age.
sidenote i do beat the hell out of her
i mean two-three times a week i put a 3600 pound pallet of sakrete in the bed which i know is WAY overloaded. And i also haul way more than the gvwr reccomends sometimes by about two tons. But the issue is i have a small concrete business and i have to do what i have to until i can afford a bigger truck.
#10
Well heyyou. This truck is old its got 290k with the original trans and engine. The previous owner DID NOT take care of her too well. Rust all in the coolant systems. Oil leaks everywhere. Ive changed out almost all the easily accesible gaskets. Rear diff fluid was black when i changed it. I mean she was just in real poor condition
so far ive changed the diff fluid and gasket replaced almost tge whole evap system minus the parts where i need to drop the tank. Put a hughes plenum in. Cleaned the intake and throttle body, steering gearbox, power steering hose, shift sensor, trans governor sensor, water pump, coolant hoses,
ive taken care of almost all the power loss issues i was having. Took care of the stalling i was having. Trana doesnt slip anymore.
but i mean my current problem as well along with the rpm surge. Is im 99% sure i have a blown headgasket or part of the block is cracked.
ive been losing slight amounts of coolant for abt three months. I popped off the radiator cap and let it run. It didnt bubble but theres definitely slight amount of oil in there. Is giving that rainbow look.
i know its almost rebuild time. But ive sunk a pretty penny in my own tine and money in her and i just cant afford to put anymore esp with the age.
sidenote i do beat the hell out of her
i mean two-three times a week i put a 3600 pound pallet of sakrete in the bed which i know is WAY overloaded. And i also haul way more than the gvwr reccomends sometimes by about two tons. But the issue is i have a small concrete business and i have to do what i have to until i can afford a bigger truck.
so far ive changed the diff fluid and gasket replaced almost tge whole evap system minus the parts where i need to drop the tank. Put a hughes plenum in. Cleaned the intake and throttle body, steering gearbox, power steering hose, shift sensor, trans governor sensor, water pump, coolant hoses,
ive taken care of almost all the power loss issues i was having. Took care of the stalling i was having. Trana doesnt slip anymore.
but i mean my current problem as well along with the rpm surge. Is im 99% sure i have a blown headgasket or part of the block is cracked.
ive been losing slight amounts of coolant for abt three months. I popped off the radiator cap and let it run. It didnt bubble but theres definitely slight amount of oil in there. Is giving that rainbow look.
i know its almost rebuild time. But ive sunk a pretty penny in my own tine and money in her and i just cant afford to put anymore esp with the age.
sidenote i do beat the hell out of her
i mean two-three times a week i put a 3600 pound pallet of sakrete in the bed which i know is WAY overloaded. And i also haul way more than the gvwr reccomends sometimes by about two tons. But the issue is i have a small concrete business and i have to do what i have to until i can afford a bigger truck.