#1: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Thu Nov 15, 2012 11:22 am ---- 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..
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.
#2: Re: 206 2.0 HDi limp mode, MAF?? Author: MrBSI, Location: What's it to you? ? ?Posted: Thu Nov 15, 2012 11:32 am ---- What did you scan it with?
#3: Re: 206 2.0 HDi limp mode, MAF?? Author: anton1989, Location: west midlandsPosted: Thu Nov 15, 2012 11:36 am ---- what maff did you buy? cheap ebay one or original one? have you checked the wires from the maff to ecu for any breaks?
#4: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Thu Nov 15, 2012 11:42 am ---- 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.
#5: Re: 206 2.0 HDi limp mode, MAF?? Author: MrBSI, Location: What's it to you? ? ?Posted: Thu Nov 15, 2012 12:15 pm ----
ARRAN wrote:
MrBSI, it was scanned with a Snap On code reader if thats any use?
Snap On scanner
Your 3 so called undocumented codes are actually manufacturer specific EOBD codes
#6: Re: 206 2.0 HDi limp mode, MAF?? Author: anton1989, Location: west midlandsPosted: Thu Nov 15, 2012 12:24 pm ---- 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
#7: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Thu Nov 15, 2012 1:07 pm ----
MrBSI wrote:
ARRAN wrote:
MrBSI, it was scanned with a Snap On code reader if thats any use?
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:
#8: Re: 206 2.0 HDi limp mode, MAF?? Author: Steve206, Location: UKPosted: Thu Nov 15, 2012 1:23 pm ---- www.206info.co.uk/Foru...ntrol.html
#9: Re: 206 2.0 HDi limp mode, MAF?? Author: hayes_ctfc, Location: CheltenhamPosted: Fri Nov 16, 2012 5:44 am ---- 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
#10: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Fri Nov 16, 2012 6:17 am ---- 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?
#11: Re: 206 2.0 HDi limp mode, MAF?? Author: hayes_ctfc, Location: CheltenhamPosted: Fri Nov 16, 2012 6:25 am ---- Slim but anything can go wrong but they'll be covered under warranty
#12: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Fri Nov 16, 2012 6:41 am ---- 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?
#13: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Fri Nov 16, 2012 6:44 am ---- 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
#14: Re: 206 2.0 HDi limp mode, MAF?? Author: Steve206, Location: UKPosted: Fri Nov 16, 2012 8:20 am ---- I would use a multimeter and check the wiring, I don't know what sort of values you'd be looking for though.
#15: Re: 206 2.0 HDi limp mode, MAF?? Author: Steve206, Location: UKPosted: Fri Nov 16, 2012 12:08 pm ---- Also, I'm sure you need to reboot the ecu/bsi when renewing sensors.
#16: Re: 206 2.0 HDi limp mode, MAF?? Author: bezford, Location: darlingtonPosted: Fri Nov 16, 2012 4:47 pm ---- ?Surely if swappin back to the old maf puts the car right for a whileand the new one doesnt do this then part of the problem is the new maf is wrong or shot?
#17: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Sat Nov 17, 2012 8:01 am ---- No because we have the same problem with all 3 MAFs, the 2 new ones and the old one.
#18: Re: 206 2.0 HDi limp mode, MAF?? Author: Seabook, Posted: Sat Nov 17, 2012 8:28 am ---- i believe your harness is shorted
#19: Re: 206 2.0 HDi limp mode, MAF?? Author: ARRAN, Location: WiltshirePosted: Sun Dec 23, 2012 4:40 am ---- Right, its been a while but heres an update:
The car is still in limp. But now, we have hit another problem. The rev counter is jumpy, and sometimes doesn't work at all.
Also, when driving down the motorway, we've noticed that if you let your foot off the throttle, the car dies completely and cuts out, and you have to wait a few minutes before starting. Any ideas??
#20: Re: 206 2.0 HDi limp mode, MAF?? Author: anton1989, Location: west midlandsPosted: Sun Dec 23, 2012 4:57 am ---- sounds like something to do with fueling? fuel pump? injectors? what has the garage said?
#21: Re: 206 2.0 HDi limp mode, MAF?? Author: pro_steve, Location: BristolPosted: Mon Dec 24, 2012 4:27 am ---- The MAF won't be giving you limp mode, more likely the fuel pressure sensor that you mentioned earlier. I've got a spare somewhere, bring the car to me and I will sort it out. I'm in Bristol.
Drop me an email if interested as I don't get on here much: remap @ hdi-tuning.co.uk
Steve
#22: Re: 206 2.0 HDi limp mode, MAF?? Author: stevedude, Location: aldershotPosted: Mon Dec 24, 2012 5:09 am ----
ARRAN wrote:
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?
lol the other month, i replaced my starter motor, the first one made a horrible whiny noise, so drove to euro car parts for a replacement, the second one did the same loud whiny noise, they upgraded to lucus at no extra charge and it worked fine. so the moral of the story is, if some thing is made s**t, the chances are the next one of the line will be too.
#23: Re: 206 2.0 HDi limp mode, MAF?? Author: DeeTurbo, Location: BedfordshirePosted: Mon Dec 24, 2012 5:20 am ---- I would go over the MAF plug with a multimeter.
1= air temp sensor - this will be very low around 0.0x v
2= 12v supply
3= ground through ECU
4-n/a not connected
5= flow sensor - this will be around 0.6v with the engine not running
6= ground through ECU
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