Toyspeed.org.nz Message Board

by **avinesh** » Tue Aug 04, 2009 10:22 pm

is the oxygen sensor required if you run a after market ecu that has been tuned on the dyno???.....ecu is haltech e11v2...cheers

by **fivebob** » Tue Aug 04, 2009 10:23 pm

by **avinesh** » Tue Aug 04, 2009 10:24 pm

fivebob wrote:no

lol that was fast, cheers for that man

by **XS1V** » Wed Aug 05, 2009 9:48 am

Good for data logging if your ECU does that though

Brad

by **avinesh** » Thu Aug 06, 2009 1:17 am

XS1V wrote:Good for data logging if your ECU does that though

Brad

yea it does

by **t0ms** » Thu Aug 06, 2009 7:09 pm

you dont have to but you wont have closed loop conmtrol of the fuel mixture. ok for a race car as your not worried about mileage but useful in a road car as the computer will use it for lean cruise adjustments

by **fivebob** » Thu Aug 06, 2009 7:17 pm

Most aftermarket ECUs don't support, or have very limited support for closed loop operation.

Even if it does support closed loop in most cases it's not worth running a wideband sensor because they have a very limited life (same applies to datalogging), and narrowband is only good around stoich, so it's only usefull around idle or very low load.

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