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 Posted: Thu Nov 15, 2012 11:22 am |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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Posted about this a while back, but got more information on it now.
Mum's 2.0 HDi, 2001 pre plex went into limp mode a while back. Replaced MAF meter and reset faults.. went fine for about a week and went back into limp mode with the EML on. Had the codes read, and came back as follows..
P1110 - Undocumented code
P1138 - Fuel pressure sensor
P0101 - Undocumented code, Auto date, MAF sensor
P0402 - Air inlet circuit fault, EGR valve
P1112 - Undocumented code
We've had the EGR valve cleaned out properly, still no luck. Took the new MAF meter back, and had it replaced incase it was a faulty one. Still no luck. Been advised by someone who worked at Peugeot that the "undocumented codes" all relate back to the MAF. If we unplug the MAF, sometimes it will take it out of limp mode, for a few days. Any ideas?? Thanks in advance.
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Thu Nov 15, 2012 11:32 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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What did you scan it with?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Thu Nov 15, 2012 11:36 am |
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Joined: Feb 21, 2012
Posts: 2277
Trade Rating: +16
Location: west midlands
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what maff did you buy? cheap ebay one or original one? have you checked the wires from the maff to ecu for any breaks?
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Posted: Thu Nov 15, 2012 11:42 am |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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MrBSI, it was scanned with a Snap On code reader if thats any use?
Anton, the MAF was from uni part. Haven't checked the wiring yet, but that could be the cause as there's a cable tie around the wiring, which could have caused a break.
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Thu Nov 15, 2012 12:15 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| ARRAN wrote: |
MrBSI, it was scanned with a Snap On code reader if thats any use?
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Snap On scanner 
Your 3 so called undocumented codes are actually manufacturer specific EOBD codes 
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Thu Nov 15, 2012 12:24 pm |
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Joined: Feb 21, 2012
Posts: 2277
Trade Rating: +16
Location: west midlands
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i have an orginal maff here if you want it for £40 posted taken from a hdi with 63000 on it. them cheap ones are no good
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Posted: Thu Nov 15, 2012 1:07 pm |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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| MrBSI wrote: |
| ARRAN wrote: |
MrBSI, it was scanned with a Snap On code reader if thats any use?
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Snap On scanner
Your 3 so called undocumented codes are actually manufacturer specific EOBD codes |
Okay cheers, was told.by someone at peugeot that they are linked to the MAF ? Cheers for offer anton, I will let ya know but we are led to believe that the MAF is not the actual problem, it's either the wiring or something else. Mrbsi, what are EOBD codes: lol:
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Thu Nov 15, 2012 1:23 pm |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Posted: Fri Nov 16, 2012 5:44 am |
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Joined: Jan 23, 2012
Posts: 574
Trade Rating: +5
Location: Cheltenham
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Mine kept going into limp for a while, but always go genuine with MAF's! I had a cheap one on mine, worked well for about 2 days then was back in limp on the M5, from 75 down to 25 middle lane overtaking a lorry, embarrassing when the lorry ened up undertaking me. When I had my remap done, Steve Lewis (ProSteve) put a 306 one on for me and it's been fine since *touchwood* as we were out of stock of 206 ones at work
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Posted: Fri Nov 16, 2012 6:17 am |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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I know you all say the cheapy MAFs are no good, but whats the chances of 2 brand new ones from the same place being faulty/a bit dodgy; both having the same problems?
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Fri Nov 16, 2012 6:25 am |
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Joined: Jan 23, 2012
Posts: 574
Trade Rating: +5
Location: Cheltenham
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Slim but anything can go wrong but they'll be covered under warranty
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Posted: Fri Nov 16, 2012 6:41 am |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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I know, I've already replaced one brand new one with another brand new one I'm led to believe that the ACTUAL MAF is not the problem though, unless by pure coincidence I've had two brand new faulty ones.. I'm now thinking it could be the wiring, possibly where someone has cable tied it to the chassis, causing a breakage.
Another thing which is making me turn away from a faulty MAF is we took the brand new one off and put the original old one back on.. and the came out of limp mode for a few days. So, is there any common problems with the MAF wiring, or any other common problems that are linked with the MAF?
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Fri Nov 16, 2012 6:44 am |
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Joined: Aug 19, 2011
Posts: 619
Trade Rating: +2
Location: Wiltshire
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Here are what the codes mean using the link above:
P1110 IAT Sensor (D/C) Open/Short
P1138 Lack Of HO2S12 Switch - Sensor Indicates Rich
P0101 Mass or Volume Air Flow Circuit Range/Performance Problem
P0402 Exhaust Gas Recirculation Flow Excessive Detected
P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
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| Project Low and Slow.. Going Euro for 2013. Keep your eyes peeled, big plans ahead..
See my project here. | |
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Posted: Fri Nov 16, 2012 8:20 am |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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I would use a multimeter and check the wiring, I don't know what sort of values you'd be looking for though.
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Posted: Fri Nov 16, 2012 12:08 pm |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Also, I'm sure you need to reboot the ecu/bsi when renewing sensors.
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