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How do i know if i need a speed senser or a input senser

When driving for about 15 minutes, it seems to down shift and gets stuck,car still run but cant go into next gear. Reset after turning car off. I have checked my fluids. Seems to be a senser but not sure which one?

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1 Answer

You need professional test equipment
on the vehicle & road test
Have a Trans,Repair or Dealer work on that issue

Posted on Jul 26, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: Hard Shift to 2nd Gear/next gear

Your going to have to get your car scaned for codes. Auto Zone can scan it for you for free and tell your what you'll need to fix it.
It sound's like your VSS Sensor (speed sensor) is not working and your ECM is not getting the signal from the transmission to know when to shift the gears.
Becareful not to burn out the transmission till you get it fixed. The sensor it self is not that expansive and to replace it is easy and takes about 30 min to do.
If you get a P0720 or a P0722 code, then it's your speed sensor. It's an esy fix and Auto Zone can give you instrction on how to change it. 
Good luck, it takes about 30 min to change and hope this helps.

Posted on Apr 23, 2009

Technopro
  • 243 Answers

SOURCE: seems transmission gear shift problem

Pull the distick and smell the oil. If it's discoloured (black or dark brown) you know the transmission friction plates are burnt and needs a rebuilt.
Cheers

Posted on Nov 10, 2008

  • 3 Answers

SOURCE: 96 dodge neon, Loss of power, check engine light

check your fuel pressure, should be 40lbs+ at idle. If you dont know how to do this, have a friend or a shop check it for you. I had same problem, no power at all would barely run ect,, turned out to be fuel pump.

Posted on Dec 23, 2008

class_of_200
  • 26 Answers

SOURCE: 09 Pontiac G6 shifting problem

most people dont say ya i will have that one and never test drive it

Posted on Sep 02, 2009

morse008
  • 1111 Answers

SOURCE: 92 camry xle 6 cyl. overdrive light blinks on after 10 minutes

O/D = overdrive if i remember right are the vacuum lines connected and not dry-rotted and the fluid levels are correct ...they may very well be right ...as far as the blinking it is a code and many places such as midas will do a readout for free or simply count the blinks and its usually 1 blink or 2 followed by a series of another blinks also it may give you more than one set of codes write them down and look them up on your computer

Posted on Sep 06, 2009

Testimonial: "thanks for the suggestion. "

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My 2002 Altima SL 2.5 drives and shifts fine for an hour or so. Then it won't shift from first gear.


In spite of what Firestone did it still sounds like you have a defective speed sensor. Other people have also had this problem and it was solved by replacing the speed sensor.

I hope it resolves your problem.

Sep 22, 2014 | 2002 Nissan Altima

1 Answer

My 2005 Cadillac Deville speedometer goes to zero and transmission seems get stuck and car will not go over 15-20 mph with high engine rpms. Unless I mash on the petal to make it skip gears. #help


problems with speed sensor for transmission. Computer uses a speed signal to shift transmission through the gears. Without speed input, the computer doesn't know when to shift the transmission. Either the speed sensor is bad or wiring from the ECM to the speed sensor is bad. Usually 2 wires lead to the sensor. The sensor generates a AC voltage signal with higher speeds generating more voltage and frequency. The ECM (computer), looks at the signal to see how fast the vehicle is traveling.

Jun 15, 2014 | Cars & Trucks

1 Answer

I have a 1996 Honda Accord with 268k miles that sputters at the same timethe speedometer needle fluctuates wildly. But I do have a new Vehicle Speed Sensor. This typically only happens when the engin


I am no Honda expert, but a similar problem happened to my ex sister in-laws Ford Taurus. The speed odometer would jump around and it had trouble shifting (automatic transmission). After driving it I changed out the speed odometer sensor on the transmission and it's been fine ever since. I changed out the sensor because if the cars computer cannot tell how fast the car is traveling then fail safes in place go into effect and the computer will do it's best to keep the cars rpm's down based on the speed indicator and not let it shift or shift properly either. If it's getting false speeds then it will shut down the motor when the speed gets to high and allow it to run as the speeds fall (jumping speed odometer needle). It effects the transmission shift points also. It will either shift erratically or not shift out of say 2nd gear, so that the cars engine can't get damaged based on what signal the speed sensor is sending the computer.

Jan 23, 2014 | 1996 Honda Accord

1 Answer

Why is mybcm not letting me pass insp there is no code on thi1996 chry lhs what is going on


You mean PCM most states read the readiness monitors depending on the state on how many they allow not to be completed. The first one on the list that is hard to get run and pass is the EVAP Because this requires the car to be cold and fuel tank must between 15%-85% and both air temp and coolant temp with in 10 degrees of each other. Start car let idle for 5 -10 minutes Then drive car normally no hard accelerations or quick stops bring speed to 50-60 mph and coast down to 20-15 mph without brake pedal input repeat this twice.Then bring speed to 58-62 mph and set cruise control run for 12-16 miles exit freeway caught a red light or stop and idle 2 minutes shut car off rest for 5 minutes and repeat freeway drive. then redo morning cold start again . then have some one test the generic readiness monitors to what needs to run and attempt again. California before 2000 1 can be incomplete after 2000 all have to be completed which is hard some will not run for 800 miles.

Nov 08, 2013 | 2001 Ford Escape

1 Answer

P732, p1529, transfer


code P0732 - gear 2 incorrect ratio possible cause solenoid or related pressure switch is damaged or failed. problem related to the input speed or output speed sensor.low reverse clutch is damaged leaking or failed.faulty valve body. transmission fluid level incorrect or level is too low. code P1529 -

Sep 22, 2013 | 2003 Hyundai Santa Fe

1 Answer

1992 bronco is staying in second and the engine cuts out when it want to down shift.when i let off on the throttle the rpm go up about 500 rpm , its backward to what it is suppose to do. WhY???


check the wire from the speed sencer to the speedometer. if it gets shorted out; it can blow the speedometer senser and then the brain doesnt know what the speed is and which gear to be in. happened to me. new exhaust pipe melted insulation on that wire and like to have never found sollution. went to salvage and replaced speedometer. simple exchange 15-20 min. hpoe this helps. dpg

Dec 26, 2012 | 1992 Ford Bronco

1 Answer

Speed sensor failed. can i replace it


Sure you can if a mechanic can do it so can you if you have the right tools and knowlege. First you need to know which one thers's one at each whell at the fround rear end housingf the rear rear end housing and the one in the side of the transfer case where the speedometer cable would'of connected on an older model and then theors three in the sides of the trans mission, Touque converter speed forward turbine speed output turbine speed. What proble are you trying to fix? the speedometer not working? Abs light on? Cheack engine light on? Cruise control not working? If the cruise control does work the speed senser is good and the check engine light will be on if the speed senser is'nt working. If the speed senser is'nt working the car will only take off in low and not shift to seecond or any higher gear as the computer doesn't know how fast the car is going. If the speedometer is'nt working and it does shift and cruise and the check engine light is'nt on then the speed senser is working but the speedometer is'nt if it is'nt and everything else is woring then as your driving hit the speedometer with your fist and see if it comes back on they can get stuck and i've fixed quite a few and they stayed fixed. On to wheel drive models with the rear wheels jacked off the ground safty I've run the car up to speed and trying wiggleing the wires and connectors till I wiggled the right thing till the speedometer came on ( including smacking the speedometer ) Just don't hit it too hard as it'll bust just like anything else.

Dec 21, 2010 | 2005 Jeep Liberty

1 Answer

My c6 in bronco starts off in 2nd gear performs ok every other way.


P0700 Transm.Contr.System Malfunction 17084
P0702 Transm.Contr.System Electrical 17086
P0703 Torque Converter/Brake Switch B Circ Malfunction 17087
P0705 Transm.Range Sensor Circ.(PRNDL Inp.) Malfunction 17089
P0706 Transm.Range Sensor Circ Range/Performance 17090
P0707 Transm.Range Sensor Circ Low Input 17091
P0708 Transm.Range Sensor Circ High Input 17092
P0710 Transm.Fluid Temp.Sensor Circ. Malfunction 17094
P0711 Transm.Fluid Temp.Sensor Circ. Range/Performance 17095
P0712 Transm.Fluid Temp.Sensor Circ. Low Input 17096
P0713 Transm.Fluid Temp.Sensor Circ. High Input 17097
P0715 Input Turbine/Speed Sensor Circ. Malfunction 17099
P0716 Input Turbine/Speed Sensor Circ. Range/Performance 17100
P0717 Input Turbine/Speed Sensor Circ. No Signal 17101
P0721 Output Speed Sensor Circ Range/Performance 17105
P0722 Output Speed Sensor Circ No Signal 17106
P0725 Engine Speed Inp.Circ. Malfunction 17109
P0726 Engine Speed Inp.Circ. Range/Performance 17110
P0727 Engine Speed Inp.Circ. No Signal 17111
P0730 Gear Incorrect Ratio 17114
P0731 Gear 1 Incorrect Ratio 17115
P0732 Gear 2 Incorrect Ratio 17116
P0733 Gear 3 Incorrect Ratio 17117
P0734 Gear 4 Incorrect Ratio 17118
P0735 Gear 5 Incorrect Ratio 17119
P0740 Torque Converter Clutch Circ Malfunction 17124
P0741 Torque Converter Clutch Circ Performance or Stuck Off 17125
P0748 Pressure Contr.Solenoid Electrical 17132
P0750 Shift Solenoid A malfunction 17134
P0751 Shift Solenoid A Performance or Stuck Off 17135
P0752 Shift Solenoid A Stuck On 17136
P0753 Shift Solenoid A Electrical 17137
P0756 Shift Solenoid B Performance or Stuck Off 17140
P0757 Shift Solenoid B Stuck On 17141
P0758 Shift Solenoid B Electrical 17142
P0761 Shift Solenoid C Performance or Stuck Off 17145
P0762 Shift Solenoid C Stuck On 17146
P0763 Shift Solenoid C Electrical 17147
P0768 Shift Solenoid D Electrical 17152
P0773 Shift Solenoid E Electrical 17157
P0790 Normal/Performance Switch Circ Malfunction 17174

Dec 20, 2010 | 1985 Ford Bronco

1 Answer

My car stauls when come to a stop


Try to clean the fuel system and inspect the fuel senser and injectors, it sounds like there is fuel stavation which can't allow the car to move at high speed.

Jan 30, 2009 | 1990 Buick Skylark

1 Answer

1991 colt vista wont downshiftinto 2nd and reverse had to shift


Ok man here is what i think, you should replace the input and output speed sensers.

Jun 17, 2008 | 1991 Dodge Colt

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