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[dbr]

code 21, throttle potentiometer signal voltage high.  whats it mean?

[Kneepad]

All will be revealed here:

 http://www.fierofocus.com/articles/tt-throttlepossensor.html

                                          

[dbr]

All will be revealed here:

 http://www.fierofocus.com/articles/tt-throttlepossensor.html

                                          

Read the link thanks, but what does it actually mean?  Is there a part that needs replacing or could it be linked to the code 19? (crank sensor ...will be replaced, but running properly now)

[Kneepad]

Give the throttle body a good clean with carb cleaner. Ensure moving parts are moving freely.
Give the electrical connection a squirt of switch cleaner and check wiring for any damage.
Clear error code and try again.

[dbr]

Give the throttle body a good clean with carb cleaner. Ensure moving parts are moving freely.
Give the electrical connection a squirt of switch cleaner and check wiring for any damage.
Clear error code and try again.

many thanks will try.