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2002 chevy trailblazer_lt
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Discussion Starter · #1 ·
well the tb is acting a little messed up once i put my bigger tires on the idel has been going up and down just at stops. not sure but i getting a tune so i will hopefully go away.

does any body know what it could be. i got c.a.i. on it my buddy said are trucks don't like coldt air intakes because all the sensors.
 

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:iagree: with roadie...........

Had the same symptoms and cleaned the Throttle body..........once I cleaned it.....it has run fine ever since........Good luck Mike!!
 

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Discussion Starter · #4 ·
truck is a 2002 tb with 206765km never been cleaned i will do that today :thx roadie and ricky81
 

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Good luck man and take before and after pics just to show that guys/gals how dirty it can get after so many miles!!
 
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