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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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Replying to: xvx_katherine_ (Sep 11, 2006 4:58 pm) |
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Replying to: xvx_katherine_ (Sep 11, 2006 4:58 pm) I know, a lot of people are skeptical about taking vehicles to dealers for diagnosis, but as complex as these control systems are, sometimes it is the best alternative. You do not have to pay them to fix the problem, just let them diagnose it for you. then you can buy the right part and fix it yourself. |
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| 1995 Dodge Ram Van 3500, 5.2L motor. I would post on the van area but it is pretty much empty and the drivetrain should be the same. In hindsight, the problem has been noticeable for over a year but now that it has manifested itself into being stranded on the side of the road a few times, I need to get this fixed but I hate to go to a mechanic with an intermittent problem. I'm going to assume the symptoms are related so I'll start at the beginning. About 12 months ago, I noticed what I would call hesitation when travelling about 50mph and trying to keep a steady speed when the gas tank was below a quarter tank. Almost a non-event but when slightly pressing the gas at average speed to maintain speed over a rise, I noticed "skipping/hesitation/slight bucking". No problem if you stomped on it, it would go. Only noticeable when easing the accelerator. At the time, it was not a problem so I just made sure the 35 gallon tank didn't get below a quarter tank. Then over time, I noticed the same behavior when the tank got to less than half and so-on. Then, fill up one day on the way home from work and it started hard. Turned over fine but just wouldn't catch. Finally got it going and stop one block from the house to get the mail and turn the van off. Try to start but no go. So, I walk the last block and come back about an our later, it starts up fine and runs great, no problem. At this point it gets a bit hazy. I'm thinking the fuel pump is "going " bad. In hindsight, maybe it is a heat issue. I may have been so focussed on the fuel pump that over the next few weeks when it stalls and won't start, I put 5-10 gallons of gas in the tank to top it off and it starts right up but now I'm having to keep at least three-quarters of a tank in it all the time to keep it running. Finally I break down and replace the fuel pump. Start with five gallons of gas, it starts right up fine on a seventh of a tank. Still not 100% though. A few instances where it would hesitate (even on hard acceleration) and it stalled this past week. I put 10 gallons in and it started up no problem. So, the new fuel pump didn't fix the problem. I've been scouring the web to see if anyone else has the same problem. The battery is less than two years old, the coil measures ok. I know what your thinking but at no time was it ever out of gas. The gauge works and I also verify by resetting miles when I fill up. There are no trouble codes. MAP, O2 and other sensors should throw a trouble code so I'm not sure what to try/test next. First, I was thinking it was a fuel system problem, then I was thinking it was a heat related issue but the last time it quit was less than half a mile from where I started, hardly time enough to get heated up. | |
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Replying to: jayjay5 (Aug 03, 2006 4:09 am) |
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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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