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Author Topic: Codes  (Read 195 times)

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danzigfan

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Codes
« on: 14 January 2018, 12:46:10 »

Me again guys, yesterday EML lit for a second right in the middle of some Italian tune up while accelerating from toll booths (which I don't consider ilegal and even less dangerous ::)) when changing from 3-rd to 4-th at 6000rpm. I went to check for codes today and got 12, 31, 74....So IIRC 31 is normal, 74 is MAF sensor voltage high but what is 12? ??? Or did I misscalculate flashes....
BTW, she s going to turn her 100.000 miles today which is quite low mileage for almost 18 year old barge :y
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STEMO

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Re: Codes
« Reply #1 on: 14 January 2018, 12:53:09 »

I think 12 is just what you get at the beginning of every sequence, but itís a long time since I did any of this malarkey. I think you should get a 12 at the end as well, to signify that there are no more codes.
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danzigfan

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Re: Codes
« Reply #2 on: 14 January 2018, 12:54:38 »

This would explain it all, thanks :y
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STEMO

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Re: Codes
« Reply #3 on: 14 January 2018, 12:58:21 »

From the maintenance guides:


Note: Systems using 2 digit codes (2.5/3.0 and earlier 2.0), the system flashes a 1-2 (12) 3 times to indicate start of sequence. Systems using 4 digit codes (later 2.0l), there is no start of sequence - it starts flashing out fault codes (if any) immediately.
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danzigfan

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Re: Codes
« Reply #4 on: 14 January 2018, 13:02:54 »

Thanks :y So an air leak or a MAF on it's way...none if it too expensive. Thanks again
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