I get about 13-14 MPG no matter how i drive or wut kind of gas i use, should i replace the O2 sensors?

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

 

Yes, I believe the o2 sensor interval is 60k.

 

Yes!!!

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86',88',89' IROC-Z, 350 TPI, 700-R4

 

good *** !
207k miles..
i remember seeing to replace the o2 sensor every 25k miles.
i would think you would be gettign an ses light. that sensor has to be clogged with soot.

 

when has the word "G O D" become a curse?
why would it be blocked out on my last post?

 

its so people don't use it in the wrong way. like GD.

and as far as the O2 sensor, i didn't know they hadn't been replaced until i asked my uncle last night, and we're pretty sure the previous owner didn't, but either way they have atleast 100,000 miles on them since my uncle got the car, theres only two of them right?


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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

 

I think there is only one.. It should be on the drivers side exhaust manifold, I changed mine two days ago with a 7/8 open end wrench.

 

oh, thats good then, and less expensive!

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

 

There's a G0D

 

YES!!! That 02 sensor is killing your gas mileage big time. Expect an increase of 5-7 mpg if everything else is in good tune.

G0D Bless America!

 

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1991 banditt2 #130 of 600
Project 350 TPI Banditt II
http://www.street-dawg-racing.cityslide.com
www.gcfba.com (Greater Cincinnati F-Body Association)
http://www.cincyspeed.com/