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    High Long Term Fuel Trim Immediately After Computer Reset

    Hello Everyone, I have had high long term fuel trims for months on my 2007 Ram 1500 5.7L. They are both at +15.6. Using a smoke machine today, I found a leak where the EGR valve attaches to the tube that goes to the exhaust. I thought for sure I had found the problem, but after replacing the...
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    CAN C Bus Issues

    Hello Everyone, I think I am having CAN C bus problems on my 2007 Ram 1500 15.7L. I recently purchased an Autel ML629 scanner, but it won't communicate with the Transmission as it is supposed to. I checked the CAN network from the DLC in the cab connecting to pins 6 & 14 and ground with my...
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    I Messed Up My Truck Installing Trans Temp Gauge

    I may have screwed up my 2007 Ram 1500 Hemi. I tried installing a transmission temperature gauge from max Tow. Followed all the instructions using 2 add a circuits for the switched power and light circuit for the gauge dimming. My big mistake was that I forgot to disconnect the negative power...
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    2007 Ram 1500 545rfe Trans Cooler Line

    Does anybody know which transmission cooler line is the one that goes from the transmission to the cooler? My truck is a 2007 Ram 1500 5.7L Hemi Quad Cab 4X4. The attached picture is from Mopar Parts website under Ram 1500 4.7L 5.7L. I want to put a temperature sensor in the hotter one. Thanks
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    2007 1500 5.7L Differential Gearing

    I want to upgrade my 2007 Ram 1500 QC 4X4 gear ratio from 3.55 to 3.92 for towing. It's expensive, so my question is can I do the rear first and remove the drive shaft to the front diff for a while and drive it like that until I can afford to do the front?
    • Delano1981
    • Thread
    • 2007 ram 1500 differential differential upgrad gear ratio upgrade rar differential
    • Replies: 4
    • Forum: Engine & Performance
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    Front End Wobble Descending Steep Grades

    Hello, I have a front end wobble problem on my 2007 Ram 1500 Quad Cab 4X4. I just experienced it for the first time on a trip to Colorado this past weekend. It only happened when I was descending steep 6-7% grades at highway speed. The slightest touch of the brakes caused the front end to...
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    2007 1500 Stereo Bezel

    I need to repair a blemish on the stereo bezel of my 2007 1500 truck. I was wondering if the bezel that has the air vents and surrounds the stereo can be detached from the rest of the panel. All the pictures and right ups I have seen online show it as one piece, but painting would be easier if...
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    Superchips 3842 Questions

    I just bought a Superchips 3842 I'm using on a Ram 1500 Hemi 4X4 and I have some questions. First, I have a friend with same truck who wants to try it out before he buys one. I know I have to put my truck back to stock before he tunes his truck with it, but when you do that will it download...
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    Superchips 3842 Turn Signal Problem

    I just installed the 87 octane performance tune with MDS off and changed the size of my tires to correct speedo error with a Superchips 3842 tuner. Everything went great with no problems and the truck runs great, but now my turn signals are slower. They go about half as fast now. I tried...
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    Trailer Brake Problems Ram 1500

    Hello Everyone, I am having a lot more trouble than I expected installing a Tekonsha Primus IQ Trailer Brake Controller in my 2007 Ram 1500 Hemi truck. The original equipment list shows that the truck came with a tow package with 4 way trailer connector. A previous owner has since installed...
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    What Rear End Ratio Do I Have?

    Hello Everyone, I am trying to figure out the tow capacity of my 2007 Ram 1500 QC Hemi 4X4 truck. I have already done a lot of searching and I am still not sure what my gear ratio is. I already looked in the glove compartment and there is no sticker in it. The equipment list for my truck...
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    Hemi Gas Mileage

    Hello Everyone, I bought a used 2007 Ram 1500 QC 4X4 with the Hemi engine about 2 months ago. I have been trying to recover form the shock of the gas mileage ever since. Right now I am getting 8 mpg city driving. But, it is mostly to and from work which is 1 mile each way. It seems to me...
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    Perpelexed. MPG Got Worse After Plugs

    I just finished changing the plugs in my 07 Ram 1500 Hemi truck, and my gas mileage got worse. I was getting 12.7 city before, and now only 8.8. The old plugs were worn out having between .057 and .060 gaps, and they were the Champion Copper core plugs. I replaced them with the same plugs...
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    545RFE Transmission Questions

    Hello Everyone, I Have a 2007 Ram 1500 4X4 QC w/ 5.7L Hemi engine and 545RFE transmission. I am a new owner, and I am not familiar with the truck too much. Anyways, I have some questions about the transmission. When I am driving in the city, very often the engine rpm raises slightly and the...

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