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Persistent code 27?

Tiny
JAMES_WEBB
  • MEMBER
  • 1992 DODGE DAKOTA
  • 5.2L
  • V8
  • 2WD
  • AUTOMATIC
  • 238,500 MILES
It is frequently throwing code 27 (fuel injector circuit). When the check engine light comes on, I pull over or pull into a parking lot and disconnect and reconnect the injector plugs. I restart the engine and it's good for a while before it starts missing a check engine light comes on. Code 27. I put all 8 injectors, new, almost 5 1/2 years ago. In that time, I put 56,000 miles on it. Now, I have to disconnect and reconnect the injectors twice or 3 times a day, sometimes, to shut the check engine light off. Any suggestions?
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Tuesday, December 13th, 2022 AT 6:54 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It sounds like you have either a fuel injector that is starting to short out or the PCM is going bad. Also check the wiring and connectors to make sure they are in good shape; this is a circuit issue so any of these items can cause the problem. Here is a guide to help you test the wiring:

https://www.2carpros.com/articles/how-to-check-wiring

Please go over this guide and report back.

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Thursday, December 15th, 2022 AT 11:17 AM

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