D22 splutter? - Nissan-Navara.net
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post #1 of 5 (permalink) Old 10-01-17, 09:26 PM Thread Starter
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Location: Buckinghamshire
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D22 splutter?

Heelo all,
I have a 54 plate rally raid which started to splutter under load recently, i read on here about the warm up switch sensor in the gearbox and have disconnected it, on the way home it drove perfectly so fingers crossed it's just the sensor however my question is this:-
Would this make the pick up quicker? this may sound daft but i;m 100% sure the pick up is faster with the switch disconnected, i've only had the pick up about 5 weeks and it's great but i disconnected this switch today and drove home and it was like driving a rocket, it was considerably faster, am i going mad?

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post #2 of 5 (permalink) Old 10-01-17, 09:44 PM
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The switch you've disconnected on the side of the gearbox is the neutral position switch (NPS). It's designed to send a signal to the ECU when the truck is in neutral to reduce fuelling. If it sends false signals it causes poor performance due to the reduced fuel pressure.

It will be worth replacing your fuel filter and blanking your EGR valve as a precaution. I assume you know about the bottom end problem on the D22?

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post #3 of 5 (permalink) Old 11-01-17, 10:58 AM Thread Starter
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Thank you for the information and help, I am aware of the engine problem as i came on here before buying the vehicle and managed to buy one with the work done, arp bolts, new bearings and orings on the pick up but thank you for the advice i'm sure i'll be back with other things in the future!
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post #4 of 5 (permalink) Old 11-01-17, 06:11 PM
Fully run in and going strong!
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You can machine the original switch and repair it for free, there will be nothing wrong with it electrically, it is just wear on the probe making it not throw far enough into the switch, shave about 1.5mm from the landing flats.
Or get a new on from Milner 4x4, OR should you be absolutely minted get a Nissan one for over 70 (robbing bas**rds!).
As Keith has already said it will have no effect on speed, the engine has not been running right due to the defective switch, also blanking the EGR will benefit it enormously.

Very first upgraded D22 - 10 years and 72K miles and still going strong!
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post #5 of 5 (permalink) Old 11-01-17, 07:46 PM Thread Starter
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Thank you, all advice is greatly appreciated
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