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Re: speed sensor codes return after replacing the sensor....
I would go to a parts store and ask for the to take a test to it(it is free) schucks does it. Or get it a diagnostics done on it but it would be a good idea.
I was told by more then one mechanic sensors go out, Yes even the brand new ones because what made you replace it the first time may be doing it again to the one you just did.
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It's called bank, not base. On a v6 or v8, each side of the engine is called a bank. Bank 1 is always the side where the number 1 cylinder is located. On Fords, number 1 is on the right bank or side, the right as if you were sitting in the vehicle, so well, the passenger side. Sensor 2 is the oxygen sensor in the exhaust stream after the catalytic converter (somebody recently called it the cadillac converter!). You have two oxygen sensors on the right bank, one before the cat and sensor 2 is after the cat. The only purpose of sensor 2 is so the computer can monitor the efficiency of the catalytic converter. It compares the readings from sensor 1 and sensor 2. Sensor 1 information is how the computer adjusts fuel trim.
Sounds like a "WSS" (wheel speed sensor) problem. Each wheel has one. Located on the backside of each hub, between the brake disc and hub bearing. Check for loose connector first. Wire damage? Wiring touching exhaust pipes or rubbing wheel or tire? Look for mud or debris or damage to the sensor's or the rotating sensor ring. ( has a lot of "teeth") Try driving in reverse, in a straight line 25 to 30 feet, then drive forward twice that distance. If that does not clear the warning lamps most auto parts stores can hook into your computer (usually for free) and determine which sensor(s) have an issue. Replacing these sensors is common and simple. You may still need to get the code cleared to turn light off.
There is a problem with these electronic speedometers, but 1st have the fault codes read and see if the speed sensor has set a code, if it does have a code for the speed senor replace it, if there is no code for the sensor the speedometer is defective and needs to be removed and send out to a Ford electronics repair center.
Hi, bank 1 will be the passanger side, same side as no. 1 cylinder. No. 1 sensor will the the front sensor before the cats. I always replace both sensors when i get a code for one switching slow if you don't your new one will switch faster then your old one and will set a code and light for the old sensor switching slow. Take care
The ABS light is for the Anti-lock Braking System. The MIL will illuminate if there is a difference in wheel speed sensors signals to the PCM. So you might have a wheel speed sensor that is going out on you. Does the light come on at low speeds, or just higway speeds? You could take the vehicle to a local parts store and have them pull the codes for you and that will tell you which speed sensor is out of whack. Also road grime, dirt and gunk buildup can cause speed sensors to give false readings. Hope tihs helps you out.......