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2003 2.0 HDI Poor fuel consumption
#31
(11-02-2019, 12:25 PM)Norfolkboy Wrote:  Beg to differ on the working or not.  Cleaning improved my fuel consumption and cured the hesitation, misfire/cutout.  On the other hand, if the MAF has failed, either by broken heating wires or a falied thermistor, no amount of cleaning will save it.   Contamination on the wires will insulate them, reducing the heating effect, contamination on the thermistor will reduce its sensitivity.  No way of telling which will work, cleaning or replacement unless tried. Agree on the diconnect the MAF disconnect first though, confirms where the problem is.  You pays your money and you takes your choice.

Probably worth 10 minutes work and £5 in cleaner ey. As I say the performance is perfectly good, just MPG is lower than I'd hope. About to do 50 miles from Blackpool to Manchester so perhaps I'll unplug the MAF for the journey.
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#32
(11-02-2019, 12:25 PM)Norfolkboy Wrote:  Beg to differ on the working or not.  Cleaning improved my fuel consumption and cured the hesitation, misfire/cutout.  On the other hand, if the MAF has failed, either by broken heating wires or a falied thermistor, no amount of cleaning will save it. 

So yours wasn't working till you cleaned it which was my point, his is pulling cleanly according to his post so it is working and interfering with it could actually make it worse as they are delicate.
So where does this bit go then ?
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