If your speedometer is cable driven and not electronic, it sounds like the cable needs to be lubricated. You remove the cable from the back of the speedometer and pull out the inner cable and slide it back in while lubericating it with some speedo grease.
Speedometer either doesnt work, is erratic or works when it wants to. This may also cause erratic shifting in the transmission or transmission to stay in 2nd gear when in drive.
You may need a speed sensor for your 2002 Mercury Cougar if you experience issues such as erratic speedometer readings, the speedometer not working at all, or transmission shifting problems. Additionally, if the check engine light is illuminated and diagnostic trouble codes related to the vehicle speed sensor are present, it could indicate a malfunction. A visual inspection of the sensor for damage or disconnection can also help determine if replacement is necessary.
If a 1992 Honda Civic's speedometer is erratic, the problem could be the speedometer cable. It could also be the speedometer sensor malfunctioning. Check both components carefully.
The issues with your 1995 Buick Riviera's speedometer, erratic transmission shifting, and non-functional odometer likely stem from a failure in the vehicle's Vehicle Speed Sensor (VSS). The VSS provides essential data to the engine control unit for both the speedometer and transmission operation. If the sensor is malfunctioning or there’s a wiring issue, it can cause all these symptoms to appear simultaneously. Additionally, check the vehicle's fuses and connections for any signs of damage or corrosion.
Check VSS(vehicle speed sensor)on tranny,the most common problem of speedometer errs,providing your vehicle is equipped with a speedometer cable.Also,VSS,will cause erratic speedometer reads. - Big Daddy
If the speedometer in a Dodge Dynasty is bouncing, it may be due to a faulty speed sensor, a damaged speedometer cable, or issues with the instrument cluster itself. A worn or dirty gear within the transmission can also cause erratic readings. It's advisable to check the connections and components for any signs of wear or damage. If the problem persists, consulting a professional mechanic for diagnosis and repair is recommended.
Check VSS(vehicle speed sensor).Erratic communicating signals back and forth w/ the PCM can cause improper shift points,plus the inoperable speedometer points at that direction.
Have it checked for codes, that should give an indication of possible causes.
It sounds like your speed sensor is going bad. It is located below the air tube that connects the air cleaner to the intake manifold, on the passenger side, on the transmission.
Erratic speedometer, check engine light may come on, transmission may shift differently, and engine may miss or shut off, depending on how the VSS is lying to the computer.
His appointments show his judgment is quite erratic. Probably why he was such a bad President.
His appointments show his judgment is quite erratic. Probably why he was such a bad President.