Only 10mpg in city
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Location: Michigan
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Only 10mpg in city
My car is a 1988 GXL and I am only getting about 10mpg. Its a brand new engine (has been broken in properly) and new trans. The one thing that isnt stock is the exhaust which is freeflowing. Any ideas?
#5
I had a new O2 sensor put on and mine was still getting poor gas mileage. I took it to another mechanic and he put in a NEW one because when the other one was installed the wires were all twisted. He said they are extremely delicate. My gas mileage is now back to normal!
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