Po CODE 141check engine light on

1995 TOYOTA PREVIA
200,000 MILES • 2.4L • 4 CYL • RWD • AUTOMATIC
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LOONEYVERSE
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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
Aug 25, 2016 at 8:22 PM
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HMAC300
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  • 48,601 POSTS
  • ASE Certified Mechanic
see pics on how to test may be a bad pcm.
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Aug 26, 2016 at 6:58 AM
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