Any 3800 tuners near Chicago area? 2000 buick

chicagochuck

Member
Sep 2, 2015
11
0
I figured because the engine light was on it could be in some sort of default mode... But that's good to know. I did tune up a few months ago plugs/wires/oil/air filter, I check the tire pressure quite often . it runs really good just the mileage and the premium gas isn't cheap ...

I need to change the fuel filter.
 
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