|
Re: 99 alero 3.4 bouncing speedometer
You replaced the transmission output speed sensor?
Basically, you need a scan tool to read data from that speed sensor...if the data is ok, but the speedometer isn't, possible cluster or PCM.....
If data is bad, then you could have a wiring problem from the speed sensor....
You also need to scan for codes, all codes, not just P codes....
|