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Fuel injection?

Tiny
MBIRD127
  • MEMBER
  • 1995 DODGE SPIRIT
  • 135,000 MILES
1995 dodge spirit v6, start in morning fine, after warming shut off start after 15 min runs rough engine check light on code 27
Monday, September 5th, 2011 AT 1:33 PM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
27** Injector control circuit Injector output driver does not respond properly to the control signal.

You're going to have to do some testing during the period of the failure to determine the cause. I would also check to see if you're losing spark at the same time.
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Monday, September 5th, 2011 AT 2:17 PM
Tiny
MBIRD127
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  • 3 POSTS
OK, what would I need to check it? I have some knowledge on cars.
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Monday, September 5th, 2011 AT 10:39 PM
Tiny
WRENCHTECH
  • MECHANIC
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You need a computer safe test light (diode only) and determine whether it's power supply or pulsing ground that is missing. Check the spark also.
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Monday, September 5th, 2011 AT 11:07 PM
Tiny
MBIRD127
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  • 3 POSTS
I found the bad injector. Is there a step by step instruction on how to change it? It's hard to get too.
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Saturday, September 10th, 2011 AT 9:39 PM
Tiny
WRENCHTECH
  • MECHANIC
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No, there isn't. I can't even find any pictures of it. It's pretty self explanatory. The fuel rail has to be removed to get the injectors out. Keep the O-rings clean.
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Saturday, September 10th, 2011 AT 9:52 PM

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