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Fault codes

Tiny
SKILLIN
  • MEMBER
  • 2006 SCION XB
  • 1.5L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 117,000 MILES
My car started running rough it if nowhere the other day. The code reader reads c1201, c1224, and p0302. What should I look to for troubleshooting?
Saturday, January 2nd, 2016 AT 5:14 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The "C" codes are chassis codes so they have nothing to do with engine performance. The P0302 indicates a misfire in cylinder #2. You will have to determine what the cause of the misfire is through diagnosis.
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Sunday, January 3rd, 2016 AT 7:18 AM
Tiny
SKILLIN
  • MEMBER
  • 2 POSTS
Yes, I can tell it's misfiring. The c codes break to ecu malfunction and ne circuit open or short. I'm not sure what I need to do to narrow down the faulty part to repair it.
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Sunday, January 3rd, 2016 AT 7:24 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
As I said, you don't need to be concerned with the C codes right now. The ABS module has lost communication with the PCM but that doesn't effect engine performance. Concentrate on the misfire. Start out looking at the ignition system ie; Plugs, coils, wires, etc
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Sunday, January 3rd, 2016 AT 7:30 AM

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