You may have a wiring harness issue. Check this codes for a description.
1995 OBD-I 3 digit codes
Yes, clear the codes and see what comes back. Have you changed the ATFluid yet? Try that first for the last code 646.
ATFluid 3x change
Read this for IAT and ECT testing
Last edited by Tony2005; 08/15/06 03:24 PM.
