So whilst Graham was on holiday and I refused to even ask Nissan for a price, I went hunting for a MAF sensor. I contacted these guys:
www.airflowmeters4cars.co.za. They are in Cape Town and seem to only do deliveries, no walk in shop. They worked from my VIN and quoted me R1450, which I thought was reasonable. Was a bit skeptical when I received it via courier and it was in an unmarked box in some bubble wrap with no markings or numbers whatsoever. Yesterdays date also seems to be engraved on it
. Anyway, I stuck it in and it works perfectly so far. Will have to do a proper test of fuel economy to see if there is any improvement.
They asked for pin setup on the plug - this is the original Nissan one (Courtesy of Tinus
):
The old one I took out looks exactly like the ones in the first post, but the new one looks slightly different (apart from the little wire)
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Photo from the internet also showing the Nissan Part number
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I decided to also replace the O2 sensors. Josh was kind enough to send me part numbers for a Bosch unit that he had previously gotten. Unfortunately no-one that I contacted could get that specific part, only Hella stuff that looked nowhere even close to the original. Luckily I stumbled onto an ausie Bosch site
https://au.bosch-automotive-shop.com which showed that this specific sensor is a suitable replacement for the 4.8
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The part number is 0258986507 and thankfully I could get them from Cape Town @ R925 each. From what I can see they look exactly like the OEM ones apart from the 3 wire vs 4 wire, for which there is a workaround on the forum somewhere
Will try and get them in asap and report on any significant results