DTC 33 on HDJ100 1998 (1 Viewer)

[Bartolomeo]

Hi everybody, I just logged in ih8mud, and i have a problem with my 100.
The engine light is on, car is on a so called limp mode, it does not go over 2500prm, poor gear switching etcr... and diagnostics says dtc 33.
I checked the procedure written in manual, and everthing seems to be OK. VSV clicks, vaccuum is in the system... i even changed the intake shutter (Aluminium part with membrane) and the code and light keeps going on.
Does anybody has a clue what might be wrong.
Thanks for suggestions and sharing your storry if you had have a similar problems.

 

[DubsonHDJ100]

Just thinking out loud, I think first thing to check is if you have vacuum, if you do move on. there are filters on the vacuum lines, one near map sensor, and I believe another for egr and vsv. Pretty sure these can get plugged up with oil and soot. Make sure your vacuum lines are free of obstructions. There was a post on a different forum that mentions the wiring going to the vacuum switch breaks and cause this code. Hope that was helpful.