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Tractor Talk Discussion Forum

OT, 94 dodge 318 problems

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Dave from MN

01-30-2008 19:07:11




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posting for my cousen. He's having trouble with his 1/2 ton. Doesnt seem to have any power. Was told catalytic convertors were plugged, he had them replaced, still didnt make much difference. Sometimes the motor has normal power, 50% of the time it doesnt. Also when ever he lets his foot off the gas to get out , it quits and it hard to restart. I'd like to run over and give him a hand when it warms up but thought I'd ask if any of you have an idea. Again truck is 1994 dodge 1/2 ton with 318. Do they have a throttle position sensor? Please help.

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edj856

01-31-2008 09:42:44




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 Re: OT, 94 dodge 318 problems in reply to Dave from MN, 01-30-2008 19:07:11  
The only fuel filter on that truck is in the fuel tank and isn't available aftermarket (at least I haven't found one). But if you're going to drop the tank, you may as change the pump while you're at. I don't think it sounds like a fuel pump problem or a clogged filter since it runs good sometimes. It sounds more like a TPS or MAP sensor.



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Leland

01-31-2008 06:00:40




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 Re: OT, 94 dodge 318 problems in reply to Dave from MN, 01-30-2008 19:07:11  
don't rule out the TPS .



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bradk

01-31-2008 05:51:04




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 Re: OT, 94 dodge 318 problems in reply to Dave from MN, 01-30-2008 19:07:11  
You're gonna need to get a guage on it and check the fuel pressure and voulume.The filter is on top of the tank sending unit/pump.



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Old Ford Mechanic

01-30-2008 20:47:15




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 Re: OT, 94 dodge 318 problems in reply to Dave from MN, 01-30-2008 19:07:11  
I would change the fuel filter first.Yes on the sensor but,when the sensor goes most of the time they won't start.Sure sounds like a fuel delivery problem to me.



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Larry59

01-30-2008 20:11:46




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 Re: OT, 94 dodge 318 problems in reply to Dave from MN, 01-30-2008 19:07:11  
First check for fuel filters on truck. Maybe along lines to tank. Then check the fuel pump. Not for sure if it is in tank on that or on engine. This will become weak and pump at times and then lose pressure. I am having same problem out of my 97 dodge 318. But to cold to get down and looking. The dodge seems to be loaded with vacum lines. I have found a lose one and a broken one. Even lines on tranny of 4x4. This causes some kind of mess up for the engine to. Lot depending on the weather outside. Warmer the better the vac works if lose.. but cold is another problem. Hope this has been some help to you. Perhaps someone might have better info.

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