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MPG Drop

2k6GT

2k6GT

New member
So i've had my gtp for about 3 months and just have piddly mods FWI,180 stat,3'dp my check engine light did come on from the O2 sensor, I know the fwi would drop it but it dramaticlly dropped.... Should i get a pcm soon to configure with the stat and would that take the check engine light away? what would be the biggest prob????????







At 200 MPH you have no friends...... Just Balls...
 


you can have the rear o2 sensor dropped in the pcm program. You should not lose MPG's with the FWI.......has your mpg's dropped, and if so, how much.......your dp have a hi flow cat or no cat? this code may be affecting your mpg's.......how new are your plugs? they should be copper, not platinum, and they should be replaced every 10,000 miles at least.........we need more info.......
 
Well duh if your o2 sensor code popped it could be the front one went bad...and yes...that would KILL MPG's.
 
My mpg dropped 6-8 miles, and the dp is hi-flow no cat.... plugs i haven't changed yet soon to be done though.....
 


bluegtp91 said:
Well duh if your o2 sensor code popped it could be the front one went bad...and yes...that would KILL MPG's.
Click to expand...


I must say Nick - you are really improving. At least you didn't just come right out and call the guy a dumb@ss. ;)

-Swash
 


Hey i'm just starting out with these cars i don't know the ins and outs ike you guys do.. my bad if i understood... thanks
 


the highway is a little better, 23-25. lately though (when ive tested it) my highway driving is 70mph with the a/c on
 
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