my trcuk idels high right after i start it
Asked by captian313 Jan 12, 2016 at 02:50 AM about the 1998 Dodge RAM 1500 Laramie SLT Quad Cab LB 4WD
Question type: Maintenance & Repair
When i start my truck after is sits all night the idel goes to
about 1000 then jumps to 1500 or so then comes back
down and keeps doinf that until it warms up and stays
about 600. When im driving on the highway its in od at
about 900 rpm and jumps up a few hundred rpm and gose
back do wn to 900 could that be my trans goong bad and
its got a pretty loud humming but only in od. Its a the 5.2
4x4 dodge 1500
7 Answers
First, when the tachometer flucatutes like that do you fell a change in power/speed om the highway? Also 900 rpm at highway speeds leads me to the tach malfunctioning. You can't maintain 55 or 60 at 900 rpm. I lean to a bad tachometer before a bad transmission
captian313 answered 8 years ago
Maybe not 900 probaly 1200 but its jummping up by its self even i cruise control
captian313 answered 8 years ago
No change just here it rev up a little bit and gose back to where it was
http://www.automotiveforums.com/t695796-discuss2000_ram_1500_rpm_s_bounce_up_down_at_55mph_help_plz.html -- http://www.ramforum.com/f61/rpms_fluctuate_my_dodge-16919/
Those guys point to torque convertor
captian313 answered 8 years ago
Ive been told its that and the bands along with a dirty filter ill look onto the torque converter