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speed sensors

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How to Replace an ABS Speed Sensor
The Anti-Lock Braking System uses speed sensors to make sure your wheels are synced when braking. Most modern cars are equipped with this sensor.
Symptoms of a Bad or Failing Transmission Speed Sensor
Common signs include harsh or improper shifting, cruise control not working, and the Check Engine Light coming on.
How Are Car Sensors Protected From Heat and Debris?
Reliable car performance depends on sensors to collect and relay data. Some car sensors can be cleaned to make them work reliably again.
Is It Unsafe to Continue Driving a Vehicle with Broken Wheel Speed Sensors?
Car wheel speed sensors are an important safety feature. It helps the ABS system work when you need to make an emergency stop.
What Happens to Sensors if They are Dirty?
Car sensors can get dirty with normal use. Symptoms of dirty sensors include reduced engine power, worse gas mileage, or an engine that hesitates.
How to Replace a Speed Timing Sensor
Some signs of a failed speed timing sensor include a Check Engine Light and poor performance. It's also known as the crankshaft position sensor.
How to Replace a Wheel Speed Sensor
A car wheel speed sensor helps control the anti-lock brake system by determining if a wheel is moving at a different speed than the other wheels.
How to Replace a Transmission Speed Sensor
Transmission speed sensors accurately calculate a car's road speed. If this sensor is faulty, a Check Engine Light will indicate the driver.

Related questions

Question
What voltage should your output sensor be at?
The speed sensor will output less than 1.5 volts since it is a voltage generator and will vary with vehicle speed. If speed output is erratic then you may have to replace the sensor and then see if readings are...
Question
How many Camshaft position sensor are in a Saturn relay
There is two camshaft sensors on this engine mounted in the front of the engine inline with each camshaft.
Question
If a speed sensor on a 08 Dodge Caliber goes will the car drive real slow
It is possible for a speed sensor to limit the throttle opening since the failed sensor system can cause the powertrain to get damaged or not know how fast you are going and will cause failsafe mode on some vehicles....
Question
Gauges not working and car not shifting
Hello, and thank you for writing in. There are a few sensors that can effect both of these systems. The first one you should check is the transmission output speed sensor. You may also want to check the other speed...
Question
Speed sensor
Hello, thank you for writing in. There are two types of "speed sensors" on the vehicle. Regardless of which one you are referring to, the answer is yes. The transmission speed sensors are the same for both automatic and manual...
Question
Speedometer/odometer quit working.
The speedometer is electronically controlled. Typically, there is a mini stepper (positioning) motor mounted on the instrument cluster PCB and it receives a signal from a speed sensor within the transmission. A wiring harness interconnects these components. The speed sensor...
Question
where is the crank sensor located on a 1997 geo metro 4 cyl 1.3
The crankshaft sensor is located on bottom right fron of motor near crankshaft pulley.
Question
On my car, the transmission output speed sensor isn't responding at all. What do I need to do? I've scanned it with OBD scanner 2006 Hyundai Sonata
Hi there - excellent diagnostic work thus far! The next step is to determine if the output speed sensor is producing a signal at all, and if so, is it a valid signal, or is the wiring to the sensor...
Question
Over revving 2008 Ford
Hello - first task is to make sure the transmission fluid level is correct. Low fluid level or dirty fluid can cause shifting problems. A malfunctioning speed sensor in the transmission, or a failing throttle position sensor can cause the...
Question
Warning lights still on 2001 Pontiac Grand Am
Hi there - the next level of diagnostics are going to be required - specifically the ABS system. (Top level OBD II codes aren't enough here) I suspect you have a wheel speed sensor that is dirty or malfunctioning. These...
Question
I have a SS impala 2009. My service traction is coming on but some times I hear a roaring noise real minor and light.
Hi there. Check the wheel speed sensors and see if any of them have broke off and now is rubbing on the tires. The wheel speed sensor is designed to register the speed of each individual wheel and let the...
Question
Car won't start, can hear fuel pump humming so I tried starting fluid in air intake and it ran for few seconds..this is second tim
You should have the computer tested to see if you have cam or crank sensor codes. You may not be getting the injectors turning on due to the camshaft sensor or a weak spark from coils. After computer test then...
Question
I had the code po342
You will need to make sure the CMP sensor wires are not out of position and near any high voltage wires or coils. If the problem continues then remove the sensor again and check the reluctor on the cam for...
Question
I was wondering how much it would be to replace vehicle speed sensor and serpentine belt. 2005 dodge stratus SXT 2.4L.
Your engine have more than one belt and the cause of the noise could be any one of them and also could be the tensioners for the belts not holding enough tension on the belts. The speedometer may be a...
Question
Hey I have a 97mrecury Sable transmission speed sensor what is this
The transmission speed sensor is used as an input to the computer and instrument cluster speedometer to operate the speedometer and proper transmission shifting. If one of these sensors were bad may turn on check engine light, cause erratic shifting...
Question
I have replaced the rear wheel bearings and subsequent to that the speedometer stops working. what might be the problem?
Hello - you don't mention your year/make/model, which would be helpful. Most vehicles now use electronic sensors for the speedometer function. Some of these sensors are in the transmission, some use the speed sensors in the wheel hub for speedometer,...
Question
Will I have to take out the whole transmission or apart just to get to to that piece (transmission speed sensor
The output speed sensor is replaced from outside the transmission and is located on rear of transmission. No need to remove transmission.
Question
Good evening from Ghana in west Africa, please help me with this,i want to the location of vehicle output speed sensor on benz ml3
Hello, thank you for writing in. An output speed sensor on your vehicle would likely trigger a P0720 engine code. If this sounds like the correct sensor, then you are looking at the speed sensor located on the transmission's electrical...
Question
I replaced the output shaft sensor. Do I need to reset the code?
Try removing the battery cables and letting the computer sit for about 1 minute and then hook up the cables or if you have a scanner that can erase the codes. This will clear the engine light and codes to...
Question
Where is the vehicle speed sensor located on a 2004 Golf GLS 4 door hatchback 2.0?
The vehicle speed sensor is mounted on the transaxle housing, usually on the differential. It can be very difficult to see and you will probably have to have the car well in the air to get to it. If by...

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