afr readings
02-02-2010, 05:58 PM
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afr readings
took my car for mapping the other week but couldnt get it finnished off due to a slight misfire,anyway found out that some of my wiring was a bit dodgey so i rewired all my engine bay cheaked all the outputs with a set of testers all good everything is sitting around the 13.6 mark,what i was wondering is since i did my wiring my afr reading have gone for the 12's to 10.5 is this a good thing and meaning that all my wiring is working better or is it worse
02-02-2010, 06:01 PM
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it should be around 14 on idle off boost and 11.5 is spot on on boost, if its 10.5 on idle its very rich
02-02-2010, 06:02 PM
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The lower the number the richer it is
02-02-2010, 06:04 PM
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yea i know we could'nt get the map finished down the wiring probs
02-02-2010, 06:05 PM
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with the afr's going richer do u think the wiring is doing its job properly
02-02-2010, 06:07 PM
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what car is it ? always a good idea to re wire fuel pump aswell, im no expert but it sounds like the extra voltage is helping
02-02-2010, 06:08 PM
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Well it may mean that a sensor was not reading before (coolant/air) or it could mean its not reading now???? its hard to say either way mate if you see what i mean. Best thing to do is re-check every thing with a continuity meter (multimeter on beep). What part of your loom was 'dodgy' before?
02-02-2010, 06:14 PM
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yea thats what i thought its a 2.9 twin turbo jobby
02-02-2010, 06:15 PM
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it was the injectors that were a bit dodgey
02-02-2010, 06:27 PM
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what afr product are we talking about
02-02-2010, 06:30 PM
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02-02-2010, 06:36 PM
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Quote:
Originally Posted by
rich123
innovate lm1
you couldnt shed any light on getting these things working could you mate ?
02-02-2010, 06:40 PM
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02-02-2010, 06:45 PM
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Quote:
Originally Posted by
rich123
why whats urs doing
nothing
when i do the free air calibration and warm up procedure its goes mad and jus shows a load of numbers then an error
02-02-2010, 06:48 PM
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sounds broken to me is it new and have u tryed cleaning the lamda sensor
02-02-2010, 06:58 PM
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just thinking what error does it come up with
02-02-2010, 07:29 PM
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The misfire will cause a lean condition. You have fixed the misfire and now your afr has got richer.
02-02-2010, 08:02 PM
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yep but the misfire was only on high revs around 6000rpm under load so hopefully its sorted
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02-02-2010, 05:58 PM
afr readings
