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Anonymous Posted on Dec 03, 2015

Why is rpm is at 3000rpm but truck is only at 70mph not going into overdrive

1 Answer

Claude Kayser

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  • Cars & Trucks Master 9,098 Answers
  • Posted on Dec 04, 2015
Claude Kayser
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70 mph at 3000 rpm - Ford Explorer and Ranger Forums "Serious ...

www.explorerforum.com > ... > General Explorations!!

May 13, 2003 - 19 posts - ‎14 authors
Elite Explorer members can change the forum "styles" to eliminate most ads, including the blue underlined links, and no ads on photos. Are my "rpms" too high?
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Why is my car running at 3000 rpm? ' Yahoo Answers

https://answers.yahoo.com/question/index?qid...
Jan 28, 2010 - Most days when I am just cruising along at 65-70 mph my engine is at about ... However, some days it will be at 3000 rpm while only going 60-65 mph, ...into overdrive. it wont hurt your engine running that high, but you will get ... Why does my car run at 3000 RPMs going 70mph?
Dec 15, 2011
1998 Dodge Dakota 3rd to overdrive problem?
Jun 27, 2010
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5 Related Answers

Anonymous

  • 674 Answers
  • Posted on Nov 26, 2008

SOURCE: Truck jerks hard in overdrive

its just time for a tune up
what your getting at low RPMs is just a misfire. i would bet to say that you engine light is also on.
so plugs and clean your throttle body and if you haven yet replace your fuel filter.
later paul

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Anonymous

  • 6 Answers
  • Posted on Apr 14, 2009

SOURCE: 1992 ford ranger wont shift into overdrive

your transmission is slipping

Anonymous

  • 1 Answer
  • Posted on Mar 19, 2010

SOURCE: car will not shift into overdrive

As a response to solution #1 these cars do have an overdrive while in D-4, mine was shifting in and out at 70 mph until it finally quit and the rpm is now 3100 at 70 mph insted of 2700. The car still shifts 4 full times just not the fifth-OD. I still can't find out what fixes this problem either.

Anonymous

  • 89 Answers
  • Posted on Oct 05, 2010

SOURCE: Transmission light on. Rpm go to 3000 when I'm

It seems as though your electronic "lock up" on the torque converter is not actuating. TCC lockup/Torque Converter Clutch lockup.

John Jon

  • 1114 Answers
  • Posted on Dec 27, 2010

SOURCE: when i get to 100km/h the truck rpm stays at 2500

This problem could be one of several it is hard to pin point the car needs to be hoisted up and checked out further for torque converter which is between the motor and transmission or it could be a internal transmission valve this is why it needs to be hoisted up preferably at a transmission specialist.

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What causes a Chevy Suburban to develop a RPM pulsate at 2000 RPM in overdrive?

you might not have a problem . TCC solenoid.torque converter clutch.it is Inside the torque converter there is a clutch to stop the slip about 500rpm . you can check it by like 90kmh steady then with other foot just touch the brake pedal no braking just a little bit you will feel release and push again this is the tcc applied and it,s normal behavior
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Since fitting aod transmission mechanical 4 speed overdrive I have noticed a marked increase in fuel consumption I have a 1968 mustang with 2.9 gears and it had a C4 in it before.I did not have a tacho...

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I just wanted to know the optimal shifting points to do 70mph comfortably. Should the car be at 2500-3000 rpm in 5th gear at 60-65 mph? I typically shift at or around 3k rpm in every gear, and the car...

How many gears does your car have? One of my cars has to do a little over 3000rpm to maintain 70-75 in 5th gear. My other car has to do about 3000rpm to maintain 65-70 in 5th gear.

It all depends on the number of gears your car has and the gearing ratio. The second car I have is geared more optimally for city driving and gets better fuel economy going slower than fast highway speeds.

Having driven several rental cars too I would say anywhere between 2500 to 3000 is reasonable for the average car. If you are driving a vehicle like say a porsche, bmw or audi they may have more gears and may be at a lower rpm at 70mph than your car.
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At 60mph, why does its runs at 3000rpm

is it shifting into overdrive?, auto or standard trans, at 60mph most vehicles with overdrive are at about 1800 to 2200 rpms...

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Car will not shift into overdrive

As a response to solution #1 these cars do have an overdrive while in D-4, mine was shifting in and out at 70 mph until it finally quit and the rpm is now 3100 at 70 mph insted of 2700. The car still shifts 4 full times just not the fifth-OD. I still can't find out what fixes this problem either.
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Transmission will not shift into overdrive

Most likely overdrive gear stripped.. My 01 Tek did this at 123K miles...

70MPH was equalling 3K rpm.. Dealer said was operating properly..
Transmission shop test-drove and diagnosed it easily.. Part is a splined tube with a cup on the other end.. Old part looked like someone had taken a lathe to it.

Problem blamed on a not properly hardened supply part. Expensive repair.
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