Wizard
Puma 2.4 Mass Air Flow Sensor - Where to Source & cost?
Guys....
Had the Engine Check light come on (code: P0100) which has pointed to the Mass Air Flow Sensor. The Defender drove as per normal, no reduction in performance at all. This happened after I put the defender into having the Exhaust Manifold replaced; cooling system checked; Pump Relearn & Injector Pilot Relearn done to fix noisy injector rattle...
Picked up the vehicle and it drove and sounded great, the rattly injector sound was gone and it performed great. Drove home and parked it up until I got home from my little holiday and then took the Puma for a drive... Got about 3kms down the road when the Engine Check light came on. Rang the LR mechanics and he said to check for a few things, which seemed fine, so he said bring it back down to have him check it out - which I did...
The mechanic bought out the diagnostic tool and checked - He then rechecked all connections/fittings under the bonnet, including the MAF connection - All good & then reset the ECU. So, I then drove home and about 6kms from home it came back on. Made another phone call and the mechanic suggested booking it back in to have the MAF replaced and a few other things checked out. I was quoted about $270 for a MAF Sensor... Not sure this is the problem but I guess u need to start somewhere... but I thought I would supply my own MAF...
Quick look online and one can easily find a MAF much cheaper than $270..
Checked LRDirect site and they listed about 9 different brands ranging from $73 to $295. Brands included Britpart; Bearmach; OEM; Intermotor; Orignal Equipment and so on... How does one know which one to buy when the prices vary that much and some of the cheaper brands also sell the more expensive ones as well..
Britpart: Prices range from $84.29 > $117.38, Same goes for Bearmach prices...
I've heard of the stories about Britpart, but with them listing 2 parts up, one would hope that if u bought the more expensive one that it would be better quality?
I'm after people's comments with where did they source their MAF from and approximate prices and how have they found them?
Master
SupporterIf you search AliExpress for MAF Transit Defender they're available for about $30. I have not tried one, but I did buy/ fit an EGR for $90... Admittedly not much distance on it yet but so far so good. I also bought a $12 MAP sensor but haven't fitted it yet.
Wizard
Thanks for that... but curious as to the long term durability of them and I can't afford it to fail on an upcoming desert trip...Originally Posted by skidrov
Wizard
Found some on eBay for a Ford Transit 2.4 Tdci and the price is around $49...
I would assume these would work but the question is quality and durability...
Wizard
I’m interested to know what the consensus on this is too...
Mine is a 2.2 Defender.
It would great if someone could post a list of sensors / their location / best brands for 2.2 and 2.4 Defenders?
I suspect mine is also due for a Pump Relearn & Injector Pilot Relearn...
Wizard
Agreed, would be nice to know whether all these different MAF sensors are the same of not....
Just got back from a 70kms drive in the PUMA after I reset the MAF and all is good with no fault codes... Might have to make it my daily driver for a while to see how it goes....
I tried a new ebay brand MAF sensor when trying to diagnose my P0101 fault code (eventually found a split in the intercooler) and whilst performance was down the new MAF did not throw up any codes. I think unless it is a MAF specifically designed for the vehicle it may not operate and throw up fault codes as it should.
When i put my original MAF sensor in i would get the fault code everytime.
Just something to consider.
Master
SupporterA quick update on my cheap AliExpress-sourced parts.
On the positive, the $90 EGR valve is going well - admittedly, most of the time it's idle as I have my remap in, which does not cycle it, but when I go back to the standard map it works fine, and you can hear it operate the cleaning cycle (i.e. I know it's working when asked). Also, if I run the monitoring software when on the standard map I can see the EGR valve being commanded to open/close, no error codes. So a good result there so far.
On the negative, my $12 MAP sensor is a bit of a fail. This thread made me curious to try it (hadn't to date, just had it as a spare). All started well, a brief blip on the accelerator seemed fine, but then after about 30 seconds of run time the engine started to sound like a can of bolts. I quickly shut it down. No engine fault light, haven't checked for any fault codes, but that engine noise was enough to put me off. I swapped back to the old sensor and all good.
So, a mixed bag. Again, no experience with the MAF sensor the OP asked about but FWIW the el-cheapo MAP sensor has not given a good result.
Wizard
That's an interesting comment... as my engine was very rattly around the 1500>2000rpm. This is one of the reasons I originally put it in for a checkup. I wonder if u would get the same result with a cheap MAF sensor?
Master
SupporterJust to be clear, my engine went rattly at idle, without me touching the accelerator at all... Might not be the same symptoms as yours?
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