I get this CEL every so often. Clear it with ScanGuage and it comes back a few weeks to months later.
VAG-COM says it's an intermittent electrical failure on Glow Plug #3. Does anyone have advice for how to diagnose this?
2003 Jetta TDI GLS, 100k miles - 17/22, PP502s, 11mm FIP, AXR intake manifold, EGR+cooler delete, S/T race pipe, drill-less EGT probe, TheTDIWagonGuy CCV filter, NewSouth DualPod w/ VDO Boost, VDO EGT, Hella Supertones, Eurojet SMIC, Boostvalve, DC Clutch IV+, Koni Reds, Poly control arm bushings, ScanGuage II, Carter lift pump, 5.5L coolant bottle, R32 snorkle/lower, 2.5" OMI, 3 bar map, TDIparts 2.5" DP and straight exhaust. New transmission! 164HP dyno