#3 fuel injector wires are melted together

Tiny
FIREMNTED
  • MEMBER
  • 2000 DODGE INTREPID
  • 202,580 MILES
What could be the cause? I did have a bad Injector but What went first? I tested the harness with a noid light it does pulse but not as fast as #2 and when I turn the key on the light stays on longer on #3!
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Sunday, September 23rd, 2012 AT 2:06 AM

6 Replies

Tiny
ASEMASTER6371
  • EXPERT
If it shorted together, you must replace that part of the harness. On top of that, that short may have damaged the pcm. Computers dont like voltage surges very much.

Roy
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Sunday, September 23rd, 2012 AT 2:18 AM
Tiny
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Can I get away with just sliding some heat shrink over it if the wire it self is good or will I have to cut out the bad (melted) part and solder in a new pice?
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Sunday, September 23rd, 2012 AT 2:47 AM
Tiny
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I would cut out the bad part and replace needed pieces.

Roy
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Sunday, September 23rd, 2012 AT 2:59 AM
Tiny
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I just went throw the harness with my volt meter. I found I have 15.0 oms between the two pins on the # 3 injector and 3.98 M oms on all others and I disconnected the plug in the harness going to the relays with the ground in it for the injectors and coils and they all have 3.98 M oms! I also unplugged the harness from the PCM and checked the wires from the ECM plug to each of the injectors and got 0.00 oms
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Sunday, September 23rd, 2012 AT 7:30 PM
Tiny
ASEMASTER6371
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Ok, sounds like the harness is good.

To verify the readings, do the same to a cylinder or injector that is working.

Sounds more and more like a failed pcm

Roy
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Sunday, September 23rd, 2012 AT 7:57 PM
Tiny
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The other 5 cylinders match # 3 is the odd one!
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Sunday, September 23rd, 2012 AT 8:15 PM

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