2002 GMC Yukon XL Denali Q&A

2002 GMC Yukon XL Denali Question: Throttle Position Sensor

Can a Throttle Position Sensor be tested to see if it is working properly? -
Answer 1
Yes it can but you'll need a good scan tool that can do component testing and the vehicle workshop manual or access to Alldata to know the values you should be getting from your test. -
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