When using my cruise control, the RPM's on my 2001 RAM 1500 would surge 100-200 RPM's....I saw a post in this forum about replacing the TPS - Throttle Position Sensor. I replaced it tonight (cost $55 at O'Rilley Auto Parts) and it fixed the problem.
The truck does idle a little faster now though. Maybe that will smooth out.
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that's good news that it fixed your problem. if you didn't already do so, you might want to reset the pcm, which might cause it to relearn its settings a little sooner. disconnect neg battery cable and turn ignition to start for 30 sec. this discharges all memory. then hook the battery back up. it should idle cold at 800-1000 and warm at about 600.
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01 1500 Reg Cab 4wd 5.2 auto 3.55 285/75/16 nasta step bar tow hook sc3815 180 3923 trans cooler/filter posi-lok powertrax noslip timbren brite-box pioneer head rockford amp/speaker cobra cb firestick hughes plenum water pump timing chain oil pump rear seal front bearings brakes shocks cracked dash towing composting boat.
I remember posting how a new TPS fixed my truck's cruise control issues. Maybe it was my post you saw. It took the dealer 3 visits over a 1 year span to finally figure it out, but once they did it has not been a problem since. Glad you got yours fixed.
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2000 Dodge RAM 2500 Sport SLT+ Quad Cab 4X4, 8.0 V10, 4.10 gears, Borla SS Headers, Edelbrock muffler, K&N CAI, KYB Shocks, Hell Bent 2" Level Kit, 17" American Racing Wheels (Baja), factory camper/towing pkgs, WAAG Sidesteps, member White Truck Club #87
RPM's Surge When Cruise Control is on
