Yes another " ohhhh i have poor gas mileage thread" waaaaaaaa waaaaa
11-11-10, 07:29 AM
#16
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I'll get a receipt of my next fill up. Usually my gas light comes on at around 280-300miles or so. Then I can still drive a little bit before I fill up. That's around 320 miles and I fill up 16-17gal. That's about 18-20mpg range on my last few fill ups. Mixed local and highway cruising with a good amount of full boost pulls. 
11-11-10, 08:29 AM
#18
Lexus Test Driver
I suggest getting rid of the K&N air filter and cleaning your MAF... try it.. its possible the oil from the K&N is adversly affecting your MAF and fuel economy... other OBDII codes for issues other than no cats may also provide some useful info...
11-11-10, 08:38 AM
#20
11-11-10, 11:38 AM
#25
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This would force the car into open loop. I have been running like this in open loop (CAI and Catless headers) and I get about 19mpg all city, driving like a sane person that likes to have fun lol.
Anyway you could always try it and see what happens. Also my thinking about just unhooking the bank 2 sensors is that the bank 2 (after cat) compares itself 2 bank 1 (before cat), and if those are the same (i.e. no cats) it can end up doing some crazy stuff.
Anyway you could always try it and see what happens. Also my thinking about just unhooking the bank 2 sensors is that the bank 2 (after cat) compares itself 2 bank 1 (before cat), and if those are the same (i.e. no cats) it can end up doing some crazy stuff.
11-11-10, 01:24 PM
#27
This would force the car into open loop. I have been running like this in open loop (CAI and Catless headers) and I get about 19mpg all city, driving like a sane person that likes to have fun lol.
Anyway you could always try it and see what happens. Also my thinking about just unhooking the bank 2 sensors is that the bank 2 (after cat) compares itself 2 bank 1 (before cat), and if those are the same (i.e. no cats) it can end up doing some crazy stuff.
Anyway you could always try it and see what happens. Also my thinking about just unhooking the bank 2 sensors is that the bank 2 (after cat) compares itself 2 bank 1 (before cat), and if those are the same (i.e. no cats) it can end up doing some crazy stuff.
11-11-10, 02:35 PM
#29
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Yea I would unhook the battery for 30 min or so and unplug either all or just the after cat 02's. Then hook the batt back up and see how it goes. (and if its rough for the first few miles dont worry, its just the computer figuring things out)
11-11-10, 02:44 PM
#30
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if your constantly running in open loop that should decrease fuel economy since open loop creates a rich air/fuel ratio. Is your car running rich? ie: black smoke? run diagnostic codes, ignore CAT code look for others