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Can I run the engine long enough to turn the car around without the Upstream O² Sensor operating once I cut the burnt wires running to it?

Tiny
SANDSTORM58
  • MEMBER
  • 1998 DODGE CARAVAN
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 360,000 MILES
The idiot mechanic who last worked on my car changing that manifold didn't reconnect the harness in the proper place allowing it to fall into a gap in the manifold melting the connector and shorting out the system. It blew 4 20A Engine Fuses before finding it after placing a new PCM in the car.
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Thursday, July 14th, 2022 AT 7:08 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Hi,

Absolutely, you can. It will likely set a code, but chances are that has already happened if the wiring was melted.

Let me know if you run into any trouble or have questions.

Take care,

Joe
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Thursday, July 14th, 2022 AT 10:17 PM
Tiny
SANDSTORM58
  • MEMBER
  • 16 POSTS
Code probably didn't set since I was attempting to check injector signals with a NOID light, and it never fired. Not worried about the code as I can clear it. Will let you know if I need help with it after I get it changed.
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Thursday, July 14th, 2022 AT 10:24 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Hi,

You are very welcome. Let me know how things turn out for you. If you need schematics for the injection circuit, let me know.

Take care,

Joe
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Friday, July 15th, 2022 AT 9:19 PM

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