NO INJECTOR PULES HAVE ALL READY CHECKED FUEL ...

  • Tiny
  • johnherrera
  • 1998 Nissan Altima
  • 200,000 miles

No injector pules have all ready checked fuel presher repased crank sensor and groundedful rail still know pulse

Saturday, November 24th, 2012 AT 7:53 PM

8 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Is the check engine light on?

Roy

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Saturday, November 24th, 2012 AT 7:54 PM
  • Tiny
  • johnherrera
  • Member

Yes seting nock sensor code po cercut malfunchin

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Saturday, November 24th, 2012 AT 7:59 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Is that the only code?
The knock sensor is in most cases a ghost code for another code

Roy

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Saturday, November 24th, 2012 AT 8:03 PM
  • Tiny
  • johnherrera
  • Member

Yes a airmeatering coed allready cleard

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Saturday, November 24th, 2012 AT 8:06 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Clearing does nothing for fixing the issue. It erases vital info for diaging it.

Never clear a code till the problem is identified and repaired.

Mass air flow code will not cause issue. The crank sensor controls injector pulsing issue

Roy

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Saturday, November 24th, 2012 AT 8:11 PM
  • Tiny
  • johnherrera
  • Member

Yes iknow the custimer cleard the code just befor brining car to me iv gone threw the moshons still know puls wondering if disributor has any thing to do with it my book dos not specify it has good spark I even tested the new crank sensor is thersoposed to be 5 volt ref at sensor plug in order to creat puls be cus I have nothing

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Saturday, November 24th, 2012 AT 8:18 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

How did you test the crank sensor?

Not the distributor. Just spark

Roy

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Saturday, November 24th, 2012 AT 8:23 PM
  • Tiny
  • johnherrera
  • Member

Oms meater

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Saturday, November 24th, 2012 AT 8:26 PM

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