cdslyde
Newbie
It appears the code 33 has been fixed. I noticed the egr valve was not working at all. I took it off and pushed the diaphragm in and plugged the vacuum port. The diaphragm did not hole at all. I put a new one on and it looks like it fixed that code. I thought it was weird that code 33 was due to the egr valve though.Yes, I did unplug the timing wire when I set the timing at zero, then plugged it back in and reset computer.
Any advice on buying a scanning tool for this OBD1 truck to get started on the other recommendations?
I still have code 43 (knock sensor) code to deal with.