45RFE/545RFE problem - RPM spike in O/D
#1
45RFE/545RFE problem - RPM spike in O/D
Okay so I know I've already had a thread on this before but recently the problem has been occurring more frequently. Basically is what happens is once I hit my 2nd O/D (From the 545RFE TCM swap) my RPMs sometimes spike about 200 RPM. It's usually a double spike with a few seconds between spikes. It is noticeable, in sound and feel, and when I hit my O/D switch my RPMs will shoot up to about 4500RPM and then drop back down to about 2500RPM. I'm not really sure what a slip feels like, but I am in serious need of help. I've considered replacing the output speed sensor to see if this resolves the problem. This is my daily driver and I cannot afford to be without a vehicle. Again, any input is much appreciated.
#3
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#7
Hello... I'm new to the form but have owned a 98 Durango since new and just bought a 01 r/t as a second and "summer truck". It sound like the same thing that i have had trouble with on my 98. Be at hyw speed on cruise and the rpm jump 150 or 200 for a second then normal again. The first time this happened i ended up taking it to 3 dealers before one guy figured it out. He replaced the TPS and all is good. It has happened several times since as i have over 260km on the truck and its still going, just rusty lol. I have changed the TPS 3 times on the life of the truck.
Hope that helps.
Hope that helps.