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?
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If you haven't done so already, install a new o2 sensor and get your fuel injectors cleaned.
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It's the exhaust which is free flowing I had a 91 and it did the same thing.
Put the racing beat exhaust on it and got like 19 mpg and it was a lot quieter. |
Ya I changed my o2 sensor and my injectors are new. Looks like though ill haveto try changing exhaust.... YAY :(
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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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