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5 Posts
Discussion Starter #1
I have a new beettle
of pd tdi 1.9 engine.I adjusted my tdi's cam adjusting screw. However, the injector correction value that was in the normal range goes back to the error range. It doesn't work well even if you do it many times. What should I see? Did the cam cap bolt torque go wrong?

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VAG Error Code: 17678/004720

EOBD II Error Code: P1270

Fault Location:
PD Unit Injector: Cylinder 4 (N243)/Valve for Pump - Jet: Cylinder 4 (N243) - Regulation Range Exceeded

Possible Cause:
Drivability Issues.
Reduced Power.
Rough Engine Running.
Increased Emission Values.

Regulation times exceeded.
Contact resistance.

Possible Solutions:
Check Injectors and Injector Wiring.
See Measuring Value Block (MVB) 018.
Check Resistance of Injectors/Wiring.

As taken from my new Free EOBD II Error Codes software

Premium Member
20 Posts
Check the pin on top of the injector for wear and cracks, I had one split on me, I changed them all including lock nut and adjustment rod(can get as a kit). All of them showed wear and 2 more had cracks.

Did a friends right after that due to what I found and he had 2 with cracks as well.

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