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Three and five injector circuit open

Tiny
CURTISASRED
  • MEMBER
  • 2004 DODGE SPRINTER
  • 2.7L
  • 5 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 214,566 MILES
Number three and five injector circuit open. Any place to start at?
Saturday, April 7th, 2018 AT 1:52 PM

11 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening.

Start at the injectors themselves. Look for loose or damaged connector or wires.

Roy
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Saturday, April 7th, 2018 AT 5:40 PM
Tiny
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Okay, I got the number five injector working, rubber gasket stopped the connector from fully seating. I bought two injectors that are for the 2002-2003, and think they are wrong. I am getting one new injector for number three. I have close to six volts out the plug with the van running.
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Sunday, April 8th, 2018 AT 3:16 PM
Tiny
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They have to seat on them tight. The vibration of the engine can unseat them and not allow the injectors to fire.

Roy
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Sunday, April 8th, 2018 AT 3:20 PM
Tiny
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I will keep you up to date when I replace the one injector. Thanks for all your input so far.
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Sunday, April 8th, 2018 AT 9:59 PM
Tiny
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No problem, we are here to help.

Roy
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Monday, April 9th, 2018 AT 4:37 AM
Tiny
CURTISASRED
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Okay, put injector in number three, no change scanner still telling me open circuit, need to know where to start at. Thanks.
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Tuesday, April 17th, 2018 AT 8:00 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Okay, you need to trace the wiring from the injector back to the ECM. Look for damage or harness damage. Check the connector at the ECM for any dirty, loose or burned pins.

Roy
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Wednesday, April 18th, 2018 AT 2:53 AM
Tiny
CURTISASRED
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Okay, I think I have the problem solved. The injector is pulsing and firing. When I remove the plug on the injector the engine does not change, but on the other four it does. Any suggestions? I am replacing the glow plugs now, I forgot to mention the glow plugs were not plugged in at the time of the problem.
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Thursday, April 19th, 2018 AT 9:02 AM
Tiny
ASEMASTER6371
  • MECHANIC
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While it is out, do a compression test on the cylinder.

Roy
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Thursday, April 19th, 2018 AT 9:04 AM
Tiny
CURTISASRED
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Okay.
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Thursday, April 19th, 2018 AT 9:10 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Here is a guide to show you how:

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Saturday, April 21st, 2018 AT 12:52 PM

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