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Comments
Ray
We switched our 06 Ram 3500 CTD over to Amsoil 5W-40 synthetic at about 20k, not so much waiting for break in more like a lazy husband! Truck runs even better on synthetic, better fuel economy, easier cold starting, in general a happier truck. I think if you are over the 10k mark you should be fine switching.
On these vehicles the lift pump is staged. Before starting, it delivers 5 PSIG. Following starting, it delivers somewhere above 15 PSIG. The fuel injection pump maintains 14 PSIG inlet pressure with the remainder being relieved back to the fuel tank. Cummings recently revised their specs to require at least 25 oz of relief fuel to help cool the injection pump. This is not identified in the Dodge Truck manuals.
In my case I checked my lift pump and sure enough it was at the absolute minimum delivery pressue and sometimes fell below limits. I installed a new pump resolving the problem with no know issues with the injection pump. The other thing I did was install a pressure guage in the outlet port of the fuel filter housing ( my warning system). Ebay also sells kits for warning lights but I am not into the warning lights because when the pressure switch fails you are right back to no warning system. Just thought I would pass this information on for people out there. BTW, a new injection pump is $1500+ and the lift pump is about $177. The dealer will install a retro fit in which the lift pump is moved back into the fuel tank for #600+.
Any ideas? Anyone else have this problem A good truck with 250K on it and still strong
thanks,Rich
I AM VERY FAMILIAR WITH YOUR SITUATION. MY 2007 2500
DIESEL 6.7 HAD A CHECK ENGINE LIGHT 7 TIMES IN 6000 MILES. I AM GLAD TO SAY DODGE BOUGHT MY TRUCK BACK MARCH 13, 2008. I NOW OWN A 1500 WITH A HEMI ENGINE. NO MORE BLUTEC DIESEL CRAP FOR ME. I STILL AM A BIG DODGE FAN AND WILL CONTINUE TO DRIVE THEM. NOW, WHAT YOU NEED TO DO IS LOOK IN THE LEMON LAW BOOKLET THAT SHOULD BE WITH YOUR OWNERS MANUAL. THERE IS A CARD IN THE BACK OF THE BOOKLET YOU NEED TO FILL OUT AND MAIL TO DODGE TO REQUEST A BUYBACK. THEY WILL TAKE IT FROM THERE. AFTER DODGE REQUESTED MY DEALER SERVICE RECORDS AND REVIEWED THEM THEY BOUGHT MY TRUCK BACK NO QUESTIONS ASKED.. THEY GAVE ME MY DOWN PAYMENT BACK, PAID FOR ALL THE ACCESSORIES THAT I HAD INSTALLED. THEY MADE IT VERY EASY. IF YOU DON'T HAVE A LEMON LAW BOOKLET IN YOUR VEHICLE YOU CAN OBTAIN ONE FROM ANY DODGE DEALER. JUST REMEMBER, THIS IS NOT YOUR DEALERS FAULT. IT IS A DESIGN OR ENGINEERING PROBLEM FROM CUMMINS. GOOD LUCK TO YOU . I HOPE THEY CAN HELP YOU. THEY SURE DID OK BY ME.
OLDTECH
I DID NOT USE AN ATTORNEY. THEY DID CHARGE ME 900.00 FOR THE 8200 MILES I HAD ON THE TRUCK. I FELT THAT WAS FAIR. THEY REFUNDED MY DOWN PAYMENT AND FOR ALL THE ACCESSORIES I INSTALLED ON THE TRUCK. I'VE BEEN DRIVING MY NEW DODGE RAM WITH THE HEMI ENGINE FOR ABOUT 2 WEEKS AND SO FAR IT'S DOING GOOD. THE GAS MILEAGE IS ABOUT 16 AVERAGE AND ABOUT 18 ON THE HIGHWAY.WHICH IS CLOSE TO WHAT THE DIESEL WAS GETTING. SO FAR I'M VERY HAPPY WITH THE NEW 2008 1500 RAM WITH THE HEMI ENGINE. IF I CAN HELP FURTHER LET ME KNOW.
OLDTECH
Willysace
OLDTECH
OLDTECH
OLDTECH
Thanks in advance.
OLDTECH
Thanks for the response. To answer your question, no there is nothing unusual with smoke or sound. As a matter of fact the truck runs great once it gets over the hump. It humms down the freeway. I put the new lift pump in but I'm still getting that problem in the mornings where it doesn't want to go anywhere. All I can get is 20mph until it warms and then I'm gone, no more problems except it does seem a little slower starting when it's hot. It always started on the first turn but now it sometimes starts like a Ford diesel. I'm just afraid of getting stranded or worse tearing something else up but I don't want to gamble $2000.00 w/o a pretty good idea of what's happening.
Thanks.
OLDTECH
I needed a bigger truck, so traded my practically new 2002 2500 4x4 5M 2-door for a new 04 3500.
I traded off my 04 3500 4x4 auto 4-door Cummins for this 07 2 dr 6M BluTech. The reason was due to my errattic MPG. I blamed the 04s automatic. Guess it was the ULSD and not the truck. My previous Cummins were Manuals and great MPG.
My brothers and I went squirrel hunting S ILL In August of 07 and my poor 2004 was grunting really hard (ULSD; I now suspect!). My brothers said what wrong with your diesel. They remembered 17 years ago my 1990 W250 Cummins would climb a tree in idle with a 12 foot (Winabago)slide-in on its back..
I do believe that the 4.10 ratio gears keep the turbo boost up and actually increases MPG. 2 of my previous CTD has 4.10 gears and very good MPG. My 07 actually gets better MPG keeping the RPM about 2K (5th gear). My 07 CTD has 3.73.
You ask about ULSD additives the EPA website has many reg chemical additive makers link title and there is a "Greenburn" product out there, too! link title I AM NOT RECOMMENDING ANY OF THEM!
THIS ULSD is affecting Dodge, Ford, and Chevy diesels so; I say. "let them do the recoomendations." We CTD spent a lot of money on our 3500 tuggers and we are all disappointed with both the very high price and poor economy. MAYBE some 4x4 author can organize a "side-by-side comparsion test" for ULSD additives that will effectively get our diesel economy BACK! Steve :mad: