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Pickups Dodge Ram Dodge Ram: Problems & Solutions 
3275 messages, Last post on Oct 18, 2006 at 8:20 PM
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Hi. I have been stumped on this problem for a few weeks now. I have a 94 Dodge ram 1500, 318 Y code. I recently had the cat. converter changed and since then the truck has gone haywire. Here is the deal: when it is started, it will drive fine until around 55 or for about 30 secs. (whichever is first) if I decelerate and try and speed up, it will not shift, blow black smoke, and has crappy fuel milage. I changed the fuel pump, IAC motor, and tuned it up and it gets a little better each time. Now the wierd thing is, When it goes fine and reaches 75 on the highway, it will without warning start lossing speed and here comes the hard shifting and black smoke, however, I can put it in N, switch it off, start it back up and put it in D and it is FINE for another Minute or so. Then the Cycle repeats. I had a Bank 1 sensor too rich code, but so far the 02 sen checks out. Could this be VSS or PCM? Any help would be appreciated. The whole switch off then on to temp. correct the problem leads me to a sensor. Please help me!!!!!
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Replying to: dylvana (Sep 19, 2006 11:46 am) katherine 
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Replying to: xvx_katherine_ (Sep 19, 2006 8:38 pm)
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Replying to: dylvana (Sep 20, 2006 4:56 am) Katherine |
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I am having trouble with the #7 cylinder not firing and I've changed plugs, wires, dist. cap, etc. I've had 3 different people hook up the diagnostic to it and found 3 different problems. Fixed 3 different problems same results nothing. I was told that if you had a dead cylinder it would dump the extra gas into the exhaust and cause the cat. to clog up. Also, I was told that I might have a pcm problem. Other than the cylinder, I have rough idling, surges or jumping when doing lower speeds, loss of power and bad fuel mileage.
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Replying to: tygerfarr (Sep 23, 2006 4:02 pm) Well, that's true if the cylinder isn't firing because of an electrical problem, but not if the misfire is being caused by a dead injector. For a cylinder to fire you need a spark, fuel, and compression. If it has those it will fire, and all are easy to check. |
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Replying to: tygerfarr (Sep 23, 2006 4:02 pm) You need to find someone who isn't guessing but knows what he's doing. |
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Truck was running great until it sat for about a hour after a 20 mile trip, and it ran for about 5 mins and stopped. It was like someone hit a kill switch, and the engine just stopped and truck rolled to stop. Then it would turn over and almost start...waited 10 mins and it fired off. Drove for about 5 mins more and it stopped again, same thing as before. Turned over for a bit.. nothing, then it fired off and ran really rough and stopped after about a min or two. The engine is not getting a spark, replaced coil last summer, replaced distributer cap and rotor, still no spark at engine. There is spark out of the coil. Not a fuel problem, new pump and filter last summer to. Engine is not seeing any spark. Could be wires?, but all 8 at once? Thanks for any help
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Replying to: schuss (Sep 25, 2006 8:55 am) Unlikely, but it could be the one wire from the coil to the cap. Could also be the rotor arm or the cap itself. Finally, just because it was replaced last summer doesn't mean the coil can't be bad. |
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Yeah, i got a spark out of the coil when i grounded it, so i think the coild is good. I replaced the cap just the other day (sorry about that is poorly worded). I guess it could be the wires though, i think that is next.
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