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Kevin, UK Car Mechanic
Category: UK Car
Satisfied Customers: 2168
Experience:  Diagnostic technician at vw /audi specialist
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Pathfinder: mike. My 56 pathfinder has a p1622 code. It

Customer Question

Hi mike. My 56 pathfinder has a p1622 code. It starts and revs but it has a flat spot wen reving from tictover to about 1500rpm. Seems better wen car is warmed up. The code says injector adjustment value is unregistered.
Submitted: 2 years ago.
Category: UK Car
Expert:  Kevin replied 2 years ago.
Hi I'm Kevin. Have you had any injectors changed or swapped around ?
Customer: replied 2 years ago.
No had dpf changed.
Expert:  Kevin replied 2 years ago.
This code relates directly to injector coding. The first thing that needs to be checked is that the calibration number from each injector matches the number stored in Ecu software