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· Registered
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20 Posts
Discussion Starter · #1 ·
After driving for a few mins when I come to a stop and the truck will start idle weird it will rev down then back and repeat until I out pressure on the gas pedal but today I found out that if I have my defrost on it will idle fine has anyone had this issue this is my first s10 and first over truck.
 

· 94 4x4,01 Blazer
2001 Blazer 4dr 4wd LT
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1,657 Posts
you have vacumn issues- time to look/listen/feel all your vacumn lines
 
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