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Try this:
http://wiki.ross-tech.com/wiki/index.php/17656/P1248/004680
Possible Solutions
Basically, it could be a wire shorting out quickly and throwing the code. Probably not a fuse since it's not constant. It's possible there is a fuel blockage in the fuel filter, (should be changed every 20,000 miles) or fuel tank, or that injection timing is off. Check the injection pump timing. There is a procedure on how to do this in the mk4 ALH engine timing belt article.
http://wiki.ross-tech.com/wiki/index.php/17656/P1248/004680
Possible Solutions
- Check/Adjust Injection Start
- Check Fuel Supply
- Check/Replace Fuse(s)
- Check/Repair Wiring/Connectors from/to Injection Valve (N108)
Basically, it could be a wire shorting out quickly and throwing the code. Probably not a fuse since it's not constant. It's possible there is a fuel blockage in the fuel filter, (should be changed every 20,000 miles) or fuel tank, or that injection timing is off. Check the injection pump timing. There is a procedure on how to do this in the mk4 ALH engine timing belt article.
