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Dodge Ram Cummins Diesel Questions

646 messages,  Last post on Dec 04, 2009 at 5:04 AM

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What is this discussion about? Dodge Ram Pickup 2500, Dodge Ram Pickup 3500, Diesel, Truck

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#467 of 646 98 2500 w/24 valve cummins-- no start? by jjricard Jan 22, 2009 (1:38 pm)
Any ony have some advive on this? My truck will not start, batteries and starter new. replaced fuel filter and pick up pump..It cranks over good but wont start. p/u pump comes on and pressure is good to the injector pump. someone told me to try the crank pos sensor so i replaced that but to no avail. I keep it plugged in. any advice greatly appreciated. Replies to this message: jake78 (Jan 30, 2009 4:15 pm)
#468 of 646 Bosch injector pump by partsman2k Jan 23, 2009 (7:18 pm)
I have a 2000 dodge ram 3500 with the 24 valve 5.9 cummins with a 5 speed manual. The injector pump has been diaganosed as being weak. I allready replaced the lift pump. Im looking at buying a rebuild kit from E-bay for my pump. It comes with NO instructions. Cant find any instructions....Anywhere. What is your thought on trying to do this? I have rebuilt pumps before on heavy duty trucks. I figure If it dosent work the worst is, Im out $55.00 The price of the kit, and i'll still have to buy a rebuilt pump. And who knows I might get lucky and fix mine.
#469 of 646 Cummins eats tps/"lever accelerator" by nuduner Jan 24, 2009 (7:33 pm)
I am posting this for my internet - challenged cousin, who doesn't own a computer. He has an '01 Ram 3/4 ton, Cummins diesel, 131000. Engine will occasionally idle high (1150 RPM). Turn engine off, will reset and idle normally. "Check engine" light on. Eventually will not run. Replaced "lever accelerator" (aka TPS) at 80000. Lasted 10 months. Replaced another 14 months after that. The one after that lasted 3 months. Apparently, this is a rather pricey item. Does anyone out there have any idea what might be causing these things to go out? He's got it in his mind that it might have something to do with the cruise control. Any advice or insight would be appreciated.
#470 of 646 6.7 Liter Cummins soot clogging by fordfan08 Jan 27, 2009 (5:06 pm)
I know the 6.7 has been out for a couple years now and I was curious, does anyone know if the turbo still clogs up with ash and soot? If so under what driving conditions does it happen?
#471 of 646 Re: 98 2500 w/24 valve cummins-- no start? [jjricard] by jake78 Jan 30, 2009 (4:15 pm)
Replying to: jjricard (Jan 22, 2009 1:38 pm) Were you having the no start problem before you changed the fuel filter and the lift pump (pickup pump)? If not what has likely happened is that you have introduced air into the fuel system when you replaced the filter....i've found that some trucks are easy to bleed the air out some are a real hassle. If you did not fill the filter up before installing you are going to have a lot of trouble filling up the filters with the lift pump. What you can try is loosening the fuel lines maybe 3 lines either at the injection pump or where they enter the cylinder head but only one side of the fuel line. Try bumping the starter if the lift pump is electronic you should be able to hear it if not electric you have to pump it by hand and that really sucks because they are never in an easy spot to access. Once fuel is present where ever you loosened to fuel line at tighten it back down. And when i say loosen don't completely loosen just loosen a thread or 2. If that doesn't work leave the lines loose get a friend and have them crank the engine for about 15 to 20 seconds at a time. Tighten fuel lines back up as fuel becomes present if the fuel is bubbling from the lines that is not enough fuel has to be spraying out of the lines before you tighten back down.
#472 of 646 2003 2500 Trans. Question by cmeadows Feb 01, 2009 (7:01 am)
I have 2003 Dodge Ram 2500 that came with the California emissions. I have not liked the transmission on this truck since day one of owning it. It shifts hard and you never know when it will shift. The truck lacks power and torque which gives me a problem since I bought it to pull my fifth wheel camper. I recently had the Cal. emissions removed and added a cold air intake filter which helped the power and mileage some, but the transmission will not shift down to pass or gain speed when needed. I had the local Dodge dealership check out the transmission and they say everything works perfectly. Am I expecting to much from this truck or is there anything that can be done to help this problem? Replies to this message: jake78 (Feb 01, 2009 6:30 pm)
#473 of 646 Re: 2003 2500 Trans. Question [cmeadows] by jake78 Feb 01, 2009 (6:30 pm)
Replying to: cmeadows (Feb 01, 2009 7:01 am) I might be able to help you out more if you were to tell me the engine i'm guessing its an ISB but what size? Also the make and model of the transmission would help. But here's a general check you might want to make. When you removed all the emmisions did you ever have engine ECM recalibrated or atleast checked to see what calibration is in it? With the truck originally being from california even though you have removed the emissions you may still have parameters inside the ECM that are keeping the horse power down. Have them hook up to the ECM and check the features and parameters. Check what torque limits, rpm limits, ect. They should know more than me about what they need to change. With some luck you may not have to recalibrate the ECM (which actually only takes about an hour but i have no idea how much it costs) you can manually change some of the parameters which ones i dont know some are locked and can only be changed with a new calibation. You would be amazed how much power you can take away and add to a cummins engine just by changing the calibration. If you need more help or that doesnt work feel free to write back.
#474 of 646 Bypass jumper location by labennett5 Feb 02, 2009 (11:34 pm)
I have a 2000 Ram 2500 turbo diesel with a starting problem. I narrowed the problem down to either the ignition switch or the bypass jumper. Where do I find the bypass jumper to check it? Replies to this message: jake78 (Feb 03, 2009 3:08 am)
#475 of 646 Re: Bypass jumper location [labennett5] by jake78 Feb 03, 2009 (3:08 am)
Replying to: labennett5 (Feb 02, 2009 11:34 pm) By bypass jumper do you mean starter relay? I've seen them in 2 placed either fasened to the firewall or bolted right to the starter. ive only seen the relay bolted right to the starter on 07 cummins so id focus on the firewall. what youll be looking for is a black box with a small wiring diagram on it (depending on how it is mounted you may or may not see it.) It's not big maybe an inch by an inch it should be mounted to the firewall with only 1 bolt or stud/nut. Try the upper half of the firewall on the driverside.
#476 of 646 Won't start! by schecterguy Feb 05, 2009 (5:12 am)
Okay guys i'm having a huuuge problem. Last night I borrowed my dad's truck, 99 Ram 2500 24 valve turbo diesel, for work. It was about 20 degrees out when I got out, I started it, and I didn't really give it a chance to warm up i guess. I got about fifty feet, and it just died. All lights on, full battery, cranks, but won't start It has a quarter tank of gas, and I can hear the fuel pump kick on and off. I don't know what to do here, but he's completely flipping at me. What do I do!! I'm a jeep guy, and have absolutely no knowledge whatsoever about diesel engines. Thank you in advance!   Richard Replies to this message: jjricard (Feb 05, 2009 2:59 pm)

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