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Why are the injector not open up?

Tiny
JOE1953
  • MEMBER
  • 1999 NISSAN MAXIMA
When I am cranking the injector don't open up to let gas into the cylinder I check the injector pulse with a noid light, the light do not blink.
Saturday, August 25th, 2012 AT 2:32 AM

8 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Either the PCM is not receiving the signal to pulse the circuits or the PCM is bad.
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Saturday, August 25th, 2012 AT 2:38 AM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
What send the signal to the pcm.
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Saturday, August 25th, 2012 AT 2:52 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
The cam sensor is the primary signal for the fuel injectors. Of course other sensors such as crank needs to be working as well.
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Saturday, August 25th, 2012 AT 3:04 AM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
Oil is getting into the cam sensor where the wiring fit into it do oil suppose to be in there.
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Saturday, August 25th, 2012 AT 3:31 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
No, the connectors should be dry. If oil is from external, cleaning it up wold be sufficient but if it is leaking from within the connector, the sensor is bad.
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Saturday, August 25th, 2012 AT 3:40 AM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
How can I test a cam sensor.
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Saturday, August 25th, 2012 AT 3:49 AM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
The cam sensor is leaking from within connector.
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Saturday, August 25th, 2012 AT 4:11 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Under such circumstances there is no need to test because it is bad causing the non starting. Replacing it is the only option.
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Saturday, August 25th, 2012 AT 5:27 AM

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