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1994 Plymouth Voyager High O2 sensor volty

Tiny
SSM26
  • MEMBER
  • 1994 PLYMOUTH VOYAGER
Engine Performance problem
1994 Plymouth Voyager All Wheel Drive Automatic

The 'check engine' light on my 1994 Plymouth Grand Voyager keeps coming on. I took it to an auto shop and they ran a computer scan on the engine and said it was "most likely" due to a high o2 sensor volty (code 21). The car recently (about 2 weeks ago) pass the I/M test and has had an oil change. What exactly is the o2 sensor volty and is it something that needs to be taken care of right away? Am I still able to drive the car?
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Wednesday, May 28th, 2008 AT 4:17 PM

2 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
How bout you go back get the exact code and tell me it, theres a few o2 sensor codes that can mean different things.
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Wednesday, May 28th, 2008 AT 8:41 PM
Tiny
SSM26
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  • 2 POSTS
It's code 21
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Thursday, May 29th, 2008 AT 1:01 AM

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