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Do you know the part number for the output shaft speed sensors,there are two, one for each shaft, for a 1998 trooper w/torque on demand? Thanks

They are on the transfer case. Not vehicle speed sensor. Output shafts for front and rear 4X4 TOD system

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Call the autoparts store and they can tell you the part number and the price

Posted on Dec 15, 2016

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As you know Isuzu is out of the country so we have no parts information for you here. Try this parts retailer for what you need, they are the biggest I know of. www.rockauto.com

Posted on Dec 15, 2016

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2 Answers

Where is the speed sensor?


there several speed sensors 1 on every wheel for abs called wheel speed sensor and in transfer case 4wd or awd call output shaft speed sensor or vehicle speed sensor and input shaft speed sensor which can be a computer generated signal from crankshaft sensor and output shaft speed sensor this is to determine torque converter lock up.

May 16, 2014 | 2004 Jeep Grand Cherokee

1 Answer

I need help asap 2003 Expedition code p0171 and code p0712 i have and idea of the 1st code but whats the secound code i really need help i dont want to take it to a shop where there going to charge me alot...


P0700 Transmission Control System

P0701 Transmission Control System Range/Performance

P0702 Transmission Control System -Electrical

P0703 Torque Converter/Brake Switch B Circuit

P0704 Clutch Pedal Position Switch -Circuit Malfunction

P0705 Transmission Range Sensor/Switch Circuit Malfunction (PRNDL Input)

P0706 Transmission Range Sensor/Switch Circuit Range/Performance

P0707 Transmission Range Sensor/Switch Circuit Low Input

P0708 Transmission Range Sensor/Switch Circuit High Input

P0709 Transmission Range Sensor/Switch Circuit intermittent

P0710 Transmission Fluid Temperature Sensor Circuit

P0711 Transmission Fluid Temperature Sensor Circuit Range/Performance

P0712 Transmission Fluid Temperature Sensor Circuit Low Input

P0713 Transmission Fluid Temperature Sensor Circuit High Input

P0714 Transmission Fluid Temperature Sensor Circuit Intermittent

P0715 Input/Turbine Speed Sensor Circuit

P0716 input/Turbine Speed Sensor Circuit Range/Performance

P0717 Input/Turbine Speed Sensor Circuit No Signal

P0718 Input/Turbine Speed Sensor Circuit Intermittent

P0719 Torque Converter/Brake Switch B Circuit Low

P0720 Output Shaft Speed Sensor Circuit

P0721 Output Shaft Speed Sensor Circuit Range/Performance

P0722 Output Shaft Speed Sensor Circuit No Signal

P0723 Output Shaft Speed Sensor Circuit Intermittent

P0724 Torque Converter/Brake Switch B Circuit High

P0725 Engine RPM Input Circuit

P0726 Engine RPM Input Circuit Range/Performance

P0727 Engine RPM Input Circuit No Signal

P0728 Engine RPM Input Circuit Intermittent

P0729 Gear 6 Incorrect Ratio

P0730 Incorrect Gear Ratio

P0731 Gear 1 Incorrect Ratio

P0732 Gear 2 Incorrect Ratio

P0733 Gear 3 Incorrect Ratio

P0734 Gear 4 Incorrect Ratio

P0735 Gear 5 Incorrect Ratio

P0736 Reverse Incorrect Ratio

P0737 TCM Engine Speed Output Circuit

P0738 TCM Engine Speed Output Circuit Low

P0739 TCM Engine Speed Output Circuit High

P0740 Torque Converter Clutch Solenoid Circuit

P0741 Torque Converter Clutch Solenoid Circuit Performance or Stuck Off

P0742 Torque Converter Clutch Solenoid Circuit Stuck On
P0743 Torque Converter Clutch Solenoid Circuit Electrical
Now i dont know a lot about automatics especially modern ones with all this fancy electronics thats used nowdays but i think its a fault with the temperature sensor for the gearbox.But where its located and what it looks like i have no idea it could even be mounted inside the gearbox .Sorry not a very good answer from a mechanic but?? very few of our europeon cars come with auto transmission .Evan when i do know whats wrong i cannot buy the parts for the gearbox as only re-con boxes supplied by the dealer so best advice is to try a specialist in auto box repairs only .PS some of my best students when i used to teach mechanics many moons ago were the girls so no excuses like iam only a girl please

Apr 22, 2013 | Cars & Trucks

1 Answer

2001 Isuzu Trooper 3.5L DOHC Motor...................... Burns approximately a 1 quart of motor oil every 3-400 miles. 10/30 Motor Oil. Whats the problem? 2nd question: Same vehicle, Torque on Demand 4WD...


The Isuzu 3.5's all burn about 1 quart between oil changes. It was an engineering flaw with that model engine. Some people have said that running full synthetic oil will correct the problem over time. Either way, it is extremely important that you check your oil regularly.

As for you second question: Torque on demand has at its heart wheel speed sensors which typically are the issue. Having a wheel speed sensor replaced will set you back about $300.

I hope I was helpful.

May 04, 2010 | 2001 Isuzu Trooper

1 Answer

How do I locate the turbine speed sensor on a ford escort problem code: P0715


its on the front of the transmission below the coil it compares the input shaft/turbine speed against the speed of the output sensor it is checking to see how much slip or diffrenece in shaft speeds the only time the two shafts are spinning at the same time is when torque converter is in lockup

get this sensor from ford dealer for a little more than $100 bucks

Part number F32Z7F040A

Apr 08, 2010 | 1999 Ford Escort

1 Answer

I have a 99 isuzu trooper (jackaroo) 3.5 liter 4wd with torque on demand my jssue is the check rear wheel's lights blinks green then red if I put it in 4wd the rear wheel light indicator gose green the...


sounds like a sensor - when did it start - if just cranked up one day and bam it is there - sounds like either a brake wear indicator issue - if they are connected in those - or a fluid level change in the rear end or transfer case - look for leaks and check the brake pads or shoes

Dec 26, 2009 | 1999 Isuzu Trooper

1 Answer

1998 isuzu trooper torque on demand lights go off when truck stops moving


It is Torque On Demand. When you are stopped there is no need for the front end to be engaged, no demand. Once you start moving, the lights should begin working as the demand for four wheel drive engagement increases, if the conditions require four wheel drive. It's the way the system works. Enjoy!

Aug 10, 2009 | 1998 Isuzu Trooper

3 Answers

1999 ford expedition - transmission slip?


the flashing O/D light usually means you have a bad speed sensor that sends speed info to the engine & trans computer.

Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.
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Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.

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Some trans use an OSS, Output Shaft Sensor instead of a VSS. Depends on which trans you have, 4R100 or 4R70W

Transmission Control Switch (TCS) and Transmission Control Indicator Lamp (TCIL)
The transmission control switch (TCS) is a momentary contact switch. When the switch is pressed, a signal is sent to the powertrain control module (PCM) to allow automatic shifts from first through fourth gears or first through third gears only. The PCM energizes the transmission control indicator lamp (TCIL) when the switch is off.

The TCIL indicates overdrive cancel mode activated (lamp on) and electronic pressure control (EPC) circuit shorted (lamp flashing) or monitored sensor failure.

Output Shaft Speed (OSS) Sensor
The output shaft speed (OSS) sensor is a magnetic pickup, located at the output shaft ring gear, that sends a signal to the powertrain control module (PCM) to indicate transmission output shaft speed. The OSS is used for torque converter clutch control, shift scheduling and to determine electronic pressure control.

Apr 18, 2009 | 1998 Ford Expedition

1 Answer

1998 Isuzu trooper TOD module


Its under the plastic covers round the shift levers between the seats.

Mar 09, 2009 | 1998 Isuzu Rodeo

1 Answer

1998 Rodeo Transmission Speed Sensor


i think near rear of trans near output shaft

Oct 27, 2008 | 2000 Isuzu Rodeo

1 Answer

Isuzu Bighorn transmission


My Torque on demand and 4 hi/low flashed for a couple days then stopped on it's own. There is a sensor somewhere under the truck that gets dirty from I was told.

Jul 29, 2008 | 1998 Isuzu Trooper

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