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2007 TrailblazerSS
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440 Posts
Discussion Starter #1
this all started yesterday when i was driving and then the tb would get stuck even if i just give it a little gas from a stop it would go like 20mph by itself any ideas?
 

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TrailblazerSS
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510 Posts
If the throttle body was stuck you would go into limp home mode since the computer checks for these things.
Check for possible vacuum leaks since this would allow more air past the throttle body.
Which would include all vacuum lines, intake manifold gaskets and throttle body gasket.
 

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2007 TrailblazerSS
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440 Posts
Discussion Starter #4
How do u relearn the idle?
 
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