D22 Neutral Position Switch Test

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has anyone done the test, test came back working fine, but still had issues, changed NPS anyways and fault was fixed, even thou test said it was ok ?
my nav is surging and lower revs and has no balls
 
Depends how you did the test.
The only real way to test the NPS is turn on the heat button when car is idling.
Clutch in.
Select gears 1 -5 and the engine should die down in every gear. This means the NPS is working.
 
All depends on what stage of failure ur switch is at. If its an intermittent fault with the switch then it might not play up every time u test it.
As suggested try unplugging it and driving it a few day to see if the problem u are having comes back
 
When you install a turbo timer you wire the handbrake into the circuit so it won't run unless it's on so I guess you could probably do the same thing i.e make it so it won't start unless the handbrake is on.
 

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