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2006 chevy trailblazer_lt
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211 Posts
Discussion Starter #1
i was driving my car today and i start to drive from a stop then all of a sudden the spadomitor went from 0-30 and down many time while i stayed about the same speed while that was happening the ABS light came on and is still on now. the parking brake light also came on but when off in a second.
 

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2002 chevy trailblazer_ls
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15 Posts
That is odd my 02 trailblazer does the same thing every now and then.
I can get it to do the funny stuff when I turn the 4wd on. When 4wd drive is on the abs light kicks on and the speedometer bounces up and down. In 2wd drive everything goes back to normal. So I HAVE NO 4wd it sucks. From what I hear its a sensor problem. I just want to know exactly what it is. Because it seems unsafe to drive with wack brakes and a bouncing speedometer....
 

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2004 gmc envoy_sle_xl
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5 Posts
MY 04 just started doing the same thing. Sometimes at a dead stop it reads 30mph??? Have not checked the 4wd but going skiing this weekend and may need it.....
 
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