Fuel injectors firing numbers

Tiny
ALEX19899
  • MEMBER
Yea, I never seen o2 sensor with that black stuff before.
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Wednesday, July 4th, 2018 AT 6:09 PM
Tiny
DANNY L
  • EXPERT
Hello again.
That would normally be caused by the engine running rich due to a misfire. Danny-
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Wednesday, July 4th, 2018 AT 6:38 PM
Tiny
ALEX19899
  • MEMBER
Should I replace the downstream o2 sensor for that side as well?
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Thursday, July 5th, 2018 AT 4:32 PM
Tiny
ALEX19899
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Just got a code Po139.
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Friday, July 6th, 2018 AT 12:51 AM
Tiny
DANNY L
  • EXPERT
Hello.
Yes, that is the Bank 1 Sensor 2 (downstream) 02 sensor. Having that misfire-running rich did some damage. Danny-
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Friday, July 6th, 2018 AT 8:08 PM
Tiny
ALEX19899
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I also have a very large gas leak somewhere.
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Friday, July 6th, 2018 AT 8:25 PM
Tiny
DANNY L
  • EXPERT
Hello again.

Is it leaking raw fuel or fuel vapors?
Danny-
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Friday, July 6th, 2018 AT 9:22 PM
Tiny
ALEX19899
  • MEMBER
What the difference between the two?
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Friday, July 6th, 2018 AT 9:39 PM
Tiny
DANNY L
  • EXPERT
Hello.

Well, raw fuel would be something coming from the lines/tank. Vapors would be coming more from the evaporative system.
Danny-
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Saturday, July 7th, 2018 AT 9:34 PM
Tiny
ALEX19899
  • MEMBER
Then it is raw fuel. There was a small puddle under the car between the engine and transmission.
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Saturday, July 7th, 2018 AT 11:53 PM

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