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badger329
Joined: 06 Jan 2011
Posts: 162
Location: Ardnamurchan
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 Posted: Sat Aug 26, 2023 4:45 pm Post subject: MAF sensor |
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Just fitted a new MAF sensor, will not tick over,runs awful, does it need to be syncronised or something.
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127 V8 Crew cab resting (RIP)
90 CSW Should be wifes (new owner)
Discovery 300tdi Jap Import Sundays (PXed)
Discovery 3 HSE
GB 276
Orkney 520 |
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romanrob
Joined: 19 May 2006
Posts: 258
Location: SW London
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| Posted: Mon Aug 28, 2023 5:51 pm Post subject: |
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Is it a genuine MAF? After I cleaned mine the revs ran to 2000 odd, until i reset adaptive values and all back to normal...You prob need to do that... ideally find someone with a Nanocom, or similar, closeby. But if not, then the ECM will theoretically relearn the settings if you drive it over 30 for long enough.
The GEMS bible is at GOMOG.com - a pdf for tuning GEMS Morgans, by David Poole - well worth a read if you are based in the outer reaches of Scotland
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Rob
GB065 - since 2002
Currently on my 2nd 50th RR V8 GEMS
Nanocom unlocked for GEMS
Formerly a 50th RR, 200TDi CSW, and a SIII 2.25 Petrol |
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badger329
Joined: 06 Jan 2011
Posts: 162
Location: Ardnamurchan
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| Posted: Fri Sep 01, 2023 9:27 am Post subject: MAF settings |
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what are should the adaptive settings be reading at
_________________
127 V8 Crew cab resting (RIP)
90 CSW Should be wifes (new owner)
Discovery 300tdi Jap Import Sundays (PXed)
Discovery 3 HSE
GB 276
Orkney 520 |
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romanrob
Joined: 19 May 2006
Posts: 258
Location: SW London
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| Posted: Fri Sep 01, 2023 9:38 am Post subject: |
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All the sensors have different values eg TPS reference voltage shd be c.0.6V, which wd be the first thing to check, o2 sensor voltages shd change dynamically 0-5v, cant remember MAF off the top of my head ...the David Poole pdf goes through each sensor and its readings in detail. If you cant find it on Google then pm me and I'll send it
_________________
Rob
GB065 - since 2002
Currently on my 2nd 50th RR V8 GEMS
Nanocom unlocked for GEMS
Formerly a 50th RR, 200TDi CSW, and a SIII 2.25 Petrol |
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rupert605
Joined: 09 Aug 2020
Posts: 15
Location: Royal Wootton Bassett
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