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Author Topic: Fault Codes 74 & 73  (Read 783 times)

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Eighth_dwarf

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Fault Codes 74 & 73
« on: 04 August 2009, 11:27:24 »
Replaced radiator the other day, now eml on and shhowing fault codes 73 & 74. Light goes off when I lift off the throttle and comes back on when pressed again.

Any ideas people, what have I screwed up this time!!!!
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Daily drive     - 1997 2.5 CD Auto - 25-35 mpg
Weekend Fun - 2003 RX8 231      - 14-18 mpg

Jimbob

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Re: Fault Codes 74 & 73
« Reply #1 on: 04 August 2009, 11:29:11 »
They are MAF codes, so would check the connector for that  :y

just down from the airbox  :y
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Eighth_dwarf

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Re: Fault Codes 74 & 73
« Reply #2 on: 05 August 2009, 13:21:29 »
all plugged in and connected. Light stillon. car will go for a bit before stalling and not restarting, I guess from over/under fueling. Next step try a new MAF then is it?
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Daily drive     - 1997 2.5 CD Auto - 25-35 mpg
Weekend Fun - 2003 RX8 231      - 14-18 mpg

Matchless

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Re: Fault Codes 74 & 73
« Reply #3 on: 05 August 2009, 13:32:13 »
It was OK so check the MAF connector, bent pins? broken wire?
Did you drop the MAF?
Have you put it back the wrong way up?

I remember someone saying that there are two plugs that can get swapped over, cant see it my self if the loom is OK / unmodified but worth a second look.
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Eighth_dwarf

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Re: Fault Codes 74 & 73
« Reply #4 on: 05 August 2009, 13:43:45 »
nope, didn't drop the maf or even remove or unplug it as it was just held out the way (disconnected pipe from air box, removed bellows and lifted air ram out the way) while i put the new rad in and dropped the fan back in.
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Daily drive     - 1997 2.5 CD Auto - 25-35 mpg
Weekend Fun - 2003 RX8 231      - 14-18 mpg
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