I've had a scout around & couldn't find a post that give this detail so sorry if it's been discussed elsewhere.
I'm interested to know what a "in spec" reading should be for the MAF at idle?
I've had occasional P0101-17 (68 ) error & wanted to understand what might be causing it.
P0101-17 (68 ) Mass or volume air flow - circuit range performance - General electrical failure - circuit voltage above threshold.
I'm also getting difficult starting when cold which i'd put down to glowplugs due to the lower temperatures but strangely it starts on the button occasionally at temperatures below 5 degC
It starts, but turns over for 5 or 6 seconds before firing, then runs lumpy for a second or two more with a puff of greyish smoke. Once started, it restarts fine.
I wondered if this could be linked to this MAF error code?
So I took a reading today & got a result of 20G/S from a cold start with the car reading a outside temperature of 6degC. Would this be considered in spec or does it point to a knackered MAF?
Visually the MAF looks like the hot wires to the bulb have some light corrosion on them. I've given it a sprayed with some MAF cleaner but it made no difference.
What do you reckon guys?
Thanks
NickMY16 D4 Landmark SDV6 (The Ice Maiden)
Uncle Ray's spare wheel protector
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29th Dec 2017 7:21 pm
kajtzu
Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6753
The wiki https://www.disco3.co.uk/wiki/IIDTool_Live_Values says 16 g/s which I think is what I got immediately after startup but it drops down to 6-7 g/s at idle pretty soon. It is related to at least rpms
Yours is a diesel so I don’t know if these are comparable figures in any way.
29th Dec 2017 7:32 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14131
Re: MAF Average Readings
Skagg wrote:
Hi,
I've had a scout around & couldn't find a post that give this detail so sorry if it's been discussed elsewhere.
I'm interested to know what a "in spec" reading should be for the MAF at idle?
I've had occasional P0101-17 (68 ) error & wanted to understand what might be causing it.
P0101-17 (68 ) Mass or volume air flow - circuit range performance - General electrical failure - circuit voltage above threshold.
I'm also getting difficult starting when cold which i'd put down to glowplugs due to the lower temperatures but strangely it starts on the button occasionally at temperatures below 5 degC
It starts, but turns over for 5 or 6 seconds before firing, then runs lumpy for a second or two more with a puff of greyish smoke. Once started, it restarts fine.
I wondered if this could be linked to this MAF error code?
So I took a reading today & got a result of 20G/S from a cold start with the car reading a outside temperature of 6degC. Would this be considered in spec or does it point to a knackered MAF?
Visually the MAF looks like the hot wires to the bulb have some light corrosion on them. I've given it a sprayed with some MAF cleaner but it made no difference.
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