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2005 chevy trailblazer_ls_ext
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14 Posts
Discussion Starter #1
my check engine has been going on and off every 50 miles on for 50 then off for 50...
my gas cap is stripped so it never locks like it used to....

but now my gas gauge goes up and down randomly i can top it off and it will show Empty or run empty and it will show Full...
i am scared to take it in because i dont want them to rape me if it's an easy fix.... any suggestions??? :suicide:
 

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2003 gmc envoy_slt
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7,190 Posts
You should start with a new gas cap before even thinking about taking it in. Much less expensive at an auto parts store (usually). :m2:

Then, try a bottle of Chevron Techron fuel system cleaner.
 

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Registered
2005 chevy trailblazer_ls_ext
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14 Posts
Discussion Starter #3
i did this morning i have only driven my car from work to autozone to home about 2 miles total if that... my gas went up normal for that time but thats how its been off and on. if this doesnt work any other suggestions?
maybe the gas sensor? i dont want to get screwed!
 
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