trouble codes

  1. Eilermoon

    P0403 Error Code

    Hey all! I've got a 2003 Convertible GT reading: P0403 OBDII: Exhaust gas Recirculation (EGR) - circuit malfunction. Does anyone have experience troubleshooting this? I've read things from simply an o2 sensor which would be great and I've done on another vehicle before, but it sounds like it's...
  2. C

    Help With Bucking And Stalling 1990 Mustang Lx

    Hey everybody, reaching out because I just bought a 1990 mustang and it was running fine, now just a week or two later, it started bucking and the engine stalls after idling for a little bit. Pulled koeo codes : 51 54 66 96 Koer: 98 This is the first mustang I've owned and I have some...