SPARK NOTES ON MY SITUATION:
-have a 99 jetta gl 2.0L A/T
-giving me two codes: P0506 and P0341
-timing is good
-first manual I bought was for 99-06 jetta (none of the schematics matched)
-replaced with a 93-98 manual on specialist recommendation (doesn't mention VSS OR cam/crank pos. sensor...