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  #1  
Old 09-04-2013, 01:51 PM
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Age: 23
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Vehicle: 1989 Ram LE 150
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Engine: 1988-1991 318ci (5.2L) LA V8 140hp
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Hey I'm new here but id thought id get this out here as quick as I can. its an 89 ram 318 tbi. its drivable but when I hit the throttle my truck moves but not very fast. I can pass cars and raise the hood when I hit the gas but cannot spin tires, for example. in addition it feels like my trans is slipping, but have had that checked. its something with my fuel. now. this truck was not running when I bought it. I replaced fuel pump, injectors, sending unit, spark plugs, rotor, cap, wires, timing, previous owner cleaned fuel tank, replaced fuel lines,and rebuilt the tbi. but all that work only screwed me. theres cut vac lines, tubes that lead to nothing. I have cleaned the egr.and screwed with just about everything. I feel it might be the fuel pressure regulator. but cant find any way to diagnose that. what im asking is what could be causing this? a list off all parts that have to do with fuel to the engine that I have not replaced. it has 98000 miles.
edit; I also smell gas in exhaust and it bickfires very rarely. like once every 3-4 miles and its very small. the engine and my truck shake also while accelerating. ill post pictures if needed. any help would be very appreciate this as its my way to work.
its not a mess on the inside everythings plugged off or just runs down to a plugged off end. nothings just open. its a good running truck it just has these two problems. iv unplugged my computer and sprayed carb/tbi cleaner inside the carb while it was running. all of this work has gotten her to where she is now. iv gone through hell and back for this truck. but I know its worth it because I got it real cheap off a friend.

Last edited by PowPow; 09-04-2013 at 02:30 PM.
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  #2  
Old 09-04-2013, 03:02 PM
crazzywolfie crazzywolfie is offline
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have you replaced the o2 sensor? with how many miles is on the truck it is one of those thing that will most likely need to be replaced. if you do replace it make sure to get a ntk brand o2 sensor. they work the best since they are the oem. if they are too expansive locally you can usually get them fairly cheap from rockauto.com
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  #3  
Old 09-04-2013, 03:02 PM
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and I don't mean to sell it. its just a good truck.
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Old 09-04-2013, 03:29 PM
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where is the 2 sensor? im still learning but I know my way around it.
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Old 09-04-2013, 05:59 PM
crazzywolfie crazzywolfie is offline
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should be on the exhaust before the catalytic converter. it is oxygen sensor. it measure your air to fuel ratio and your computer adjust things to make it run right. if your exhaust smells like fuel then your old o2 sensor could be fouled up and need to be replaced.
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Old 09-04-2013, 06:30 PM
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well when I get paid Monday ill replace it. I found one for 25 dollars at rock auto. is there anything else that you could think of? would a bad converter (torque or cat) cause it to act like that?
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Old 09-04-2013, 06:40 PM
crazzywolfie crazzywolfie is offline
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i don't think a torque convert or cat would cause issues.
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Old 09-04-2013, 07:15 PM
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well Monday ill replace the o2 sensor and look for vac leaks.
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Old 09-04-2013, 08:18 PM
kannahspapa kannahspapa is offline
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Hi, I have a 99 Laramie with a 318. Driving down the highway the truck glitches, for lack of a better phrase. Sometimes in town it'll die, but quickly restart. We've had it on the computer and it shows nothing wrong. We put a new crank sensor on it but it still does it. It doesn't lose power just glitches.
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Old 09-07-2013, 03:05 PM
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well my truck would do that till I changed my fuel pump and strainer. in my experience its better to replace the fuel pump first before anything. sometimes things find their way into the tank (only god knows how) and thankfully the fuel pump gathers everything conveniently right at your strainer. inside your sending unit. however that burns out your pump. so if it has an open bed all you have to do is lift your bed and pull your sending unit out and replace the fuel pump and strainer. its easier than dropping the tank however not as safe. you have to secure your bed yourself. I had no problem using a jack with a log and just jack up the bed. use blocks for the jack. or just pay a mechanic. it might not be the solution but more times then not this fixes it.
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