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Discussion Starter · #1 ·
17748 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28)
P1340 - 35-00 - Incor. Correlation
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - Intermittent
16685 - Cylinder 1
P0301 - 35-10 - Misfire Detected - Intermittent

The misfire happens only when under load, above 15psi of boost. Can the CPS be responsible for all that (the misfires) or are my coilpacks going? Under normal driving conditions, no problems, only under load as in positive boost. I have yet to swap coilpack #1 with #2 to isolate the problem, perhaps I'll do it over the weekend.
My car is '01 1.8t with all bolt-ons and giac X+ and new spark plugs properly gapped. Car has been chipped for 100k km so I seriously doubt its the programing. New Cam sensor on the way I was hoping to receive it this week but I'll have to wait until next week.
 

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Discussion Starter · #4 ·
FV-QR

The misfire only hapened under boost, between 3000-4000 rpm when boost goes past 15psi.
Today I changed the crank position sensor, swapped coilpack #1 for #2 clear the codes and ran the car. No more misfire but the P1340 code came back.
 
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