small miss
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Joined: Oct 2009
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small miss
hello. i live close to winnipeg and i am looking for advice or help with my truck. i just bought it. it was running a bit rough but still drivable. i thought i would pressure wash the engine to clean it and i barely made it home. i put new plugs and wires on it and cleaned the inside of the distributor. it still has a slight miss. it also stalled at a light for me. when i accelerate it runs good, but when you stay at a constant speed it feels like it is laboring or running rough. should i replace the coil and distributor. is it a carb problem. all the vacuum lines are plugged off. could it be timing. if any one can help please write back.
FTE Legend
Joined: Aug 2004
Posts: 37,887
Likes: 20
From: North Central Rural Sask.
Happen to have any more info/specs on the kind of motor your working on?
did you do the rotor and cap when you did the distributer? Cleaning them out doesnt always work. I had a little sh17box izuzu one time that I boguht for next to nothing, drove er till she dropped, couldnt get it to run right, decided to throw a new cap and rotor on it and it ran perfect after, even after I had cleaned the old one!
Could also very well be a carb problem. Have you taken the carb all apart and cleaned it? Visual inspection of the engine appear ok?
did you do the rotor and cap when you did the distributer? Cleaning them out doesnt always work. I had a little sh17box izuzu one time that I boguht for next to nothing, drove er till she dropped, couldnt get it to run right, decided to throw a new cap and rotor on it and it ran perfect after, even after I had cleaned the old one!
Could also very well be a carb problem. Have you taken the carb all apart and cleaned it? Visual inspection of the engine appear ok?
Postmaster
Joined: Oct 2006
Posts: 3,255
Likes: 0
From: saskatoon, SK
i assume it didnt run like this before it got washed, try having it run with and without that line plugged, im thinking it might be a vaccum advance hose or something like that. After that, for the price of a cap and rotor id go that route and see what happens. Maybe double chacke the wires are all on the right plugs for firing order (ive done that putting my bros rebuilt 350 together) and that they are all seated propperly on plugs/dizzy. checking timing wouldnt be a bad idea too
Postmaster
Joined: Oct 2004
Posts: 4,402
Likes: 1
From: Delisle/Vanscoy, Sk.
My 85 truck was constantly running like you said. There is a christmas tree of vacuum ports below the carb on the intake. There was always a port that sticks downward and toward the back that is out of sight. The cap or vacuum lines kept coming off. I finally got them all capped and new vacuum hoses. I also have a 300 I6 Love them.
Another problem I encountered with mine is the manifold gaskets. The one between the intake and exhaust keeps burning out on me. I had the intake manifold bolts come loose from the block causing a vacuum leak.
It sounds like a vacuum leak is happening somewhere on your motor. Check the tree.
Another problem I encountered with mine is the manifold gaskets. The one between the intake and exhaust keeps burning out on me. I had the intake manifold bolts come loose from the block causing a vacuum leak.
It sounds like a vacuum leak is happening somewhere on your motor. Check the tree.
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