[Shotimes] Codes

[Kirk Jorgenson]

I have been getting the check engine light coming on frequently on my 91 +. 
The car has 78,000 miles. The 60K tune up has been done.
The first two codes are related(I think): 31, 33
These are related to the EGR valve and the passageway or something being 
plugged.
The next is 63. This has to do with the throttle body sensor. I checked and 
the connector is still in place.
The last is 91. This I believe has to do with the forward O2 sensor.
If anyone has any suggestions, I would appreciate any help.
THIA,
Kirk

_________________________________________________________________
Check out Election 2004 for up-to-date election news, plus voter tools and 
more! http://special.msn.com/msn/election2004.armx