All Things Mk5 > How to Guides / Troubleshooting

Fuel Pressure Regulation Fault After Cam Follower Change

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N417H4N:
Ok so I changed my cam follower in my 2005 GTi about a month ago, today I ran a diagnostics on it and it's brought up a Fuel Pressure Regulation fault.

004195 - Fuel Pressure Regulation
               P1063 - 002 - Control Range Not Reached - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 126177 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 10:54:50

This looks to have been thrown up after the follower change, I'm not getting any other symptoms or problems. just worried that somethings not right?  :scared:

bacillus:
Try clearing the fault and re-scan the car after a drive.

N417H4N:
yh took it for a drive earlier as was doing live data logging and did a rescan after and it hasn't thrown it back up. Is there normally a time limit of when it shows it back up or would it be straight away?

bacillus:
I'm thinking that you depressurised the fuel rail to change the  cam follower. When you restarted the engine, the pressure in the system was zero bar and that flagged the error.

I would rescan after about 50 miles but my gut feeling is the error won't reappear if it wasn't present before you changed your cam follower.

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