ChrisCabrio wrote:
> '95 Golf Cabrio -- Speedometer erratic, deceleration & radio on
> without key
>
> I have a '95 Golf Cabrio -- the Speedometer often can become erratic
> (it'll fly way up and then go way down -- while I am driving along at
> say 45 mph the speedometer needle will suddenly fly around 20 mph to
> 80 mph for 30 seconds or more and then it'll go back to working fine
> -- the car also then experiences severe deceleration like it is
> loosing spark, fuel or air -- I am thinking of trying to unplug the
> VSS (vehicle speed sensor) and seeing if it will stop the problem with
> the deceleration.
>
> On a side note - might just be an ignition switch problem -- the
> factory radio now stays on even without key unless I make sure to turn
> it off with its on/off switch -- I am thinking of changing the switch.
>
> I have the Bentley shop Manual and a laptop with the cable to read the
> VAG COM codes -- mine read code # 00533 - Idle Speed Regulation:
> Adaptation Limit (Add) Exceeded
>
> Please any and all advice would really help!
>
> Thanks
> Chris
>
The code on the idle speed may have nothing to do with your problem. I
believe it generally means that your throttle body is dirty and needs to
be cleaned out, and then realigned using VAG-COM. Search the forums,
especially the vagcom forum, on vwvortex.com for info on this.
Wish I could help on your speedo issue.
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