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henry rodriguez Posted on Apr 12, 2016
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The tranny wont shift up in drive from third at about 40 mph the tranny starts to hesitate stutter. already changed oil filter and speed solonoid

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J.D. Browning

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  • Cars & Trucks Master 2,760 Answers
  • Posted on Apr 12, 2016
J.D. Browning
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Just by your description (detailed) id say it could go a few directions ??4 a cause, one way is the 40 mph is near the speed that overdrive is engaged (42 mph) these do sometimes have problems inside them (gears ) also the stutter you mention is sort of an indication that your torque converter didn't lock up or is locking/.unlocking this is an indication of a immanent torque converter failure , if car was made past 2001 then chances are good it has some kind of transmission control system that could log a fault to help you look for a cause like a faulty speed sensor or something , ck your codes !!

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What could cause the car to stutter when under load going up hill.

It sounds to me like a passing gear issue. Or even and Over Drive issue. Try this to find out. When you put the car in gear, instead of O/D, try regular drive. If you have a push button O/D then deactivate it. If you only have Drive, then try shifting into 3. Run the car up to the same speeds you were having problems with. If you don't have the issues with the higher RPM's then it is an Overdrive/Highway gear issue. If it still stutters, then it could be a fuel delivery issue. Good luck.
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I have a 2007 Dodge Charger won't go over 35-40 mph and once you get up to that speed it jumps back and forth and when you start it and put it in gear to go it jumps real hard. My mechanic and a transmission specialist said it was a bad tranny I bought a used tranny and the used one wouldn't even shift into gear so now putting another tranny and another computer system in it. Does anyone know anything else it could be I'm so tired of this vehicle
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If you didn't already...you should change tranny oil and filter. This would be a good place to start even if it does not correct the problem. But...before changing tranny oil and filter...with engine running does your tranny dipstick show that tranny has a sufficient amount of oil? If not ...fill to proper level with engine still running and see if that corrects your problem.
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My 95 olds cutlass v6 3.1L sometimes wont shift out of third gear and it just completely shut off on the thruway... what does this mean?

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