1998 Toyota Sienna eng. Tepm. Coolant sensor.

Tiny
EMM.KASIOTIS
  • MEMBER
  • 1998 TOYOTA SIENNA
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
Hi, rpm at times, go low. Eng. Light on. Po125. I replaced the eng, temp. Coolant sensor. Came again, 6 m. Po125. I should test the voltage.? Thank.
Monday, September 14th, 2015 AT 9:47 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See pic for testing it's the O2 sensor not the coolant temp but make sure vehicle is full of coolant and correct thermostat
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Wednesday, September 16th, 2015 AT 8:05 AM

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