95 v6 3.4 mileage problems
#1
95 v6 3.4 mileage problems
i picked up a v6 3.4 with a gutted cat the gas mileage is terrible (somewhere between 10-15 mpg) i took it to a muffler shop and i was told that the o2 sensor was getting a false reading because the cat was gutted is this true and what can i do to test/fix it? i get a ses light on the highway as soon as i let off the gas but for some reason he couldnt get a reading from the computer any help or ideas is much appreciated
#4
Re: 95 v6 3.4 mileage problems
Pre-cat: will affect MPGs
Post-cat: won't affect MPGs, simply checks cat efficiency.
o2s are cheap enough, replace it and see if it helps. Won't hurt having a fresh o2 on there.
Post-cat: won't affect MPGs, simply checks cat efficiency.
o2s are cheap enough, replace it and see if it helps. Won't hurt having a fresh o2 on there.
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12-01-2014 08:08 AM