Yet another problem with this truck, pretty much the same one. I have an ’84 Chevy C-10 with a 305 V8 and a Edelbrock 4 barrel carb.
I have changed the fuel pump, the in tank sending unit on one of the tanks.(the tank I use all the time) I’ve also replaced the switching valves for the fuel tank because it was leaking fuel. The problem is truck continues to kill on me, it starts right up then runs pretty rough (shakes and sputters) and pretty much kills every time.
I’ve used one bottle of Heet in each tank, because I’m pretty sure it had some bad fuel. I think this is a result of bad fuel because before the truck ran great. I don’t understand this, neither does my mobile mechanic.
I’m thinking the only way to solve this problem is to get a diagnostic test, but it won’t run long enough to get me to a shop. I’m really scared to drive it now because it kills without warning and sometimes I have my foot on the gas and it refuses to pick up speed. Has anyone ever known a car to die when your foot is on the gas? Could all of this be a reverberation from bad fuel or is it just a lemon?
I would sincerely appreciate any help with these questions.
HI
You may have a plugged up carb. kind of sounds like its not getting fuel. How is the timing? how is the timing chain? does the timing change while idling the chain may be shot. Well it idle and not just speed up or well it not idle? if it well idle and not speed up I’d say carb needs rebuilt.
good luck
tim
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7 Users Responded in " Old Chevy Truck giving me royal H*ll ? "
Are you sure it’s a fuel problem?I had a 305 that did that and it was electrical not fuel.Take the distributor cap off and remove the module and take it to be tested.That’s what was bad on mine.You might test the coil too.It’s also in the distributor cap.
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HI
You may have a plugged up carb. kind of sounds like its not getting fuel. How is the timing? how is the timing chain? does the timing change while idling the chain may be shot. Well it idle and not just speed up or well it not idle? if it well idle and not speed up I’d say carb needs rebuilt.
good luck
tim
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40+ years experience
Sound like the Oxygen Sensor is bad. Replace it.
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http://cpwstore.carpartswholesale.com/catalog/?N=9167&Nr=OR(AND(make:Chevrolet,model:C10,year:1984),AND(universal:1))&Vi=9869+1588+4294964925&y=1984&mk=Chevrolet&md=C10
i have a 454 and it was having problems i replaced a lot of the things you did but then i realized that the fuel lines on it were collapsing when i would try and step on the gas. have you checked your fuel filters to see if they were dirty and the carb might be full of crap if it was really old gas
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you might have O2 build up. change the plugs, check if your distributor is loose and adjust the timing.
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i have a 85 chevy C 10. and i love it i have no problems.
could be the timing belt
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you might have O2 build up. change the plugs, check if your distributor is loose and adjust the timing.
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