Catalytic converter

Tiny
MILDRED COTTO
  • MEMBER
  • 2002 TOYOTA SIENNA
  • 6 CYL
  • 4WD
  • MANUAL
  • 135,000 MILES
I just repair my car a week ago I installed the catalytic converter and the engine light back on. The code was po420. What you think I can do?
Tuesday, July 5th, 2016 AT 8:52 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The code has to be removed with a scanner if that is the problem. It can be an air leak as well in front of converter or the O2 sensor may be bad.
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Tuesday, July 5th, 2016 AT 9:24 AM

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