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Po CODE 141check engine light on

Tiny
LOONEYVERSE
  • MEMBER
  • 1995 TOYOTA PREVIA
  • 2.4L
  • 4 CYL
  • RWD
  • AUTOMATIC
  • 200,000 MILES
After replacing both up and down stream sensors as well as wire to upstream heater circuit. Downstream o2sensor tests good ! Wire on downstream heater circuit tested GOOD! Cat converter NEW ! SENT it to a pro shop today. Smoke test for intake leaks and a scan! Clean except for po141! Anyone experience this challenge w a '95 PREVIA LE/SC
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Thursday, August 25th, 2016 AT 8:22 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See pics on how to test may be a bad pcm.
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Friday, August 26th, 2016 AT 6:58 AM

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