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Dodge Ram Cummins Diesel Questions

647 messages,  Last post on Dec 04, 2009 at 5:09 PM

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

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#489 of 647 6.7 L Cummins Question by felt Feb 09, 2009 (3:24 pm)
The 6.7 has been out several years now, have the early problems been resolved? I have wonderd, were the problems Dodge's or Cummins? Does Cummins provide the electronics? or just the engine, including the turbo, and Dodge provide the electronics?   In late 2006 when I bought, I could have purchased either a late 06 or an early 07. I am glad I followed the dealers recommendation and went for the 06. Thus far, it has performed flawlessly .... no issues at all. Great power, good mileage.
#490 of 647 New Turbocharger by sangleton Feb 10, 2009 (4:11 am)
2007 Dodge 6.7L was accounced JAN07 and first shipment was MAR07.    Cummins engineered a variable geometry Turbo. This allows computer dynamic controlled boost change within any amount of engine exhaust output.    Your repeat engine light is probably turbo speed or boost pressure. WHY? The computer is applying geometry changes to the turbo,but after a number of failed events then the light comes on.    Your Turbo Charger geometry plates are sticking. Soot is most common, but if the light returns then the turbo charger is likely bad, of course so can be the sensors. The sensor replacements will delay the Turbo replacement $$$ and if it is soot cause of sticking blades then the exhaust brake usage may fix, too!    Remember if the Variable Geometry Turbo is sticking due to manufacture defect, then Replace the Turbo Charger. I had this done everythings is OK now! But what a fight it is because the VGT is very very expensive!!
#491 of 647 6.7L disel cummins by pauliney Feb 11, 2009 (5:32 pm)
I've got a 2007megacab 2500 with a 6.7L cummins engine. Engine light stays on .Fault codes displayed are P1451,P2463,P0405,P0037. O/head display says catalyst full svc req'd. Code P1451 is diesel particulate filter,does this mean the catalyst needs replacing.Unable to clear codes. Replies to this message: kcram (Feb 12, 2009 3:46 pm) jake78 (Feb 12, 2009 3:53 pm)
#492 of 647 04 Dodge 5.9 Diesel malfunction light problem by stoking Feb 12, 2009 (3:17 pm)
I have a 2004.5 Dodge Diesel 5.9 motor. Up until now has preformed Great. After tanking up I noticed the Malfunction indicator light was staying on. I also experienced a brief loss of power that went away after a few minuets. The light is still staying on. I did the ignition on off test and it showed the numbers Po 633 ,Po 514 and Po237..I have no Idea what this means..Any leads out their? Thanks Replies to this message: kcram (Feb 12, 2009 3:56 pm) jake78 (Feb 12, 2009 4:01 pm)
#493 of 647 Re: 6.7L disel cummins [pauliney] by kcram HOST Feb 12, 2009 (3:46 pm)
Replying to: pauliney (Feb 11, 2009 5:32 pm) Your DPF is indicating that it is unable to burn off the collected pollutants. This will likely be a dealer service if you can't get the DPF to go into "burn mode".   kcram - Pickups/Wagons Host
#494 of 647 Re: 6.7L disel cummins [pauliney] by jake78 Feb 12, 2009 (3:53 pm)
Replying to: pauliney (Feb 11, 2009 5:32 pm) Im not 100% sure what all those codes are but you will have to take you truck to either a dodge dealership or a cummins shop. the catalyst and the diesel particulate filter (DPF) are part of cummins aftertreatment system. In short it takes the exhaust gas and extra fuel dumped to the exhaust (the fuel reacts with the catalyst to make higher temps roughly 1000F) and then turns the exhaust in to water and nitrogen if i remember correctly. As a by product it leaves behind ash which gets left in the DPF and its completly normal. Now where the problem comes in is if you do a lot of city driving the system is not able to go in to what cummins calls a regen cycle or it will not complete the regen cycle. and somehow this makes the DPF fill faster. They are able to remove the DPF and clean it where they will put it in a machine that blows air in the out side of the filter and vaccums on the in side emptying the DPF since ash can only be manually removed. They will then put it back together and tell you do drive on a highway for about an hour or they will do a stationary regen where the vehicle will regen while sitting still. Depending on where you are percentage wise of the DPF (30% full, 50%, 60% ect.) you maybe able to solve this yourself by enabling a stationary regen (i have no idea how you do this you probably have a button somewhere on the dash or consult your owners manual) or run down an interstate for about an hour or longer. The vehicle should let you know if you are able to do this if you enable to regen and it does not respond or starts a regen then stop ( the RPM's should pick up when enabled) check a few things.... if you have an active fault code this could knock it out of regen also make sure your foot is not on the brake clutch or throttle pedal. if DPF is too full (over 85%) i believe...... the regen will not start. The catalyst will be fine they use to replace them if any fluid is present in the down pipe behind the turbo but they have changed their thinking on that one they now just clean the DPF and run a regen.
#495 of 647 Re: 04 Dodge 5.9 Diesel malfunction light problem [stoking] by kcram HOST Feb 12, 2009 (3:56 pm)
Replying to: stoking (Feb 12, 2009 3:17 pm) P0237 = Turbocharger Boost Pressure Sensor Low P0514 = Battery Temperature Sensor Performance P0633 = SKIM Key Not Programmed in PCM   (BTW, those are zeroes in the codes, as opposed to the letter "O" in case you were trying to look them up on the web.)   I have had personal experience with P0514 on my 2005 3500... would not allow the truck to start for about 45 minutes after sitting overnight near 0°F. The Battery Temp Sensor is located under the driver's side battery and if it either gets unusually cold or malfunctions, it assumes the ambient air is too cold to safely use the batteries in max cranking amp (starting) situations.   P0237 likely caused your power loss. The engine went into failsafe mode to avoid turbo damage.   P0633 usually means a malfunction with the Sentry Key.   Considering all of these together, I'd say your truck's computer may have burped and needs some attention.   kcram - Pickups/Wagons Host   .
#496 of 647 Re: 04 Dodge 5.9 Diesel malfunction light problem [stoking] by jake78 Feb 12, 2009 (4:01 pm)
Replying to: stoking (Feb 12, 2009 3:17 pm) This may sound dumb but you're 100% sure you put desiel fuel in the tank? (you'd be surprised how many times people put gas in the tank) may also have gotten a bad batch of fuel.
#497 of 647 2003 ram 2500 won't even turnover by jaamen Feb 20, 2009 (7:33 pm)
fuel pump engages, I can wiggle the starter relay and it will start. new relay didn't help matters any. help!
#498 of 647 1996 2500 Ram 4x4 Diesel fuel mileage by oly2 Feb 21, 2009 (10:01 am)
Can any one tell me what kind of fuel mileage I should be getting. I drive conservatively. I am getting 12 to 13 per gal. The truck has 187000 on it I replaced the injectors.exhaust system and put a cold air air system on it. also keep up on all regular maintance. Any help or advise will be appreciated. Replies to this message: kcram (Feb 21, 2009 5:53 pm) oly2 (Feb 23, 2009 8:00 am) kcram (Feb 24, 2009 7:56 pm)

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