| RE:1993 Engine Stumble |
Subject: RE:1993 Engine Stumble by VR-92 on 2007/7/25 19:16:40 Your 93 has 2 O2 sensors. One for each manifold, right in front of the cats. Have you changed plug wires in a while. Inspect them for burn marks. Yes, an opti could only screw up one side but that is unlikely. |
