View Full Version : DTC Trouble codes

09-27-2006, 10:28 PM
I have a 90 model EFI setup in my 86 zuk. When I modded the harness I dont remember seeing anything on a VSS (Vehicle Speed Sensor). Now it is setting a VSS code.... Im confused....

Anyone out there know if the 90 model EFI had a VSS input into the ECM.

Thanks Fellas!!!rockonn

09-28-2006, 12:39 PM
the vss is in the speedo on the 90 models.

btw the efi supplement to the FSM is now online;