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How do I test to see if distributer is sending info on cam…

Customer Question
How do I test to...
How do I test to see if distributer is sending info on cam position I had to pull heads on a 01 frontier blown head gasket fires up with starter fluid but no pulse going to injectors only code is on the maf but I hit it with the starter fluid before it showed a code that is only code on truck has a 3.3 no super charger
Submitted: 6 months ago.Category: Nissan
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Answered in 24 minutes by:
1/3/2018
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago
david craig
david craig, ASE Certified Technician
Category: Nissan
Satisfied Customers: 5,770
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

so you are getting spark at the plugs? pulse to the injectors? and the timing is ok?

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Customer reply replied 6 months ago
No pulse to any of the injectors will run with starter fluid truck has 150 k on it is all stock
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

rpms while cranking?

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Customer reply replied 6 months ago
No not moving at all
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok that a sign of the crankshaft position sensor failing. either the sensor itself or the wiring to it.

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Customer reply replied 6 months ago
Ya I looked for it supposed tv be on driver side on bell housing but could not find it I have heard that heat could effect it truck over heated and blew head gasket could that have caused failure was running when torn down for head gasket replacment
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

absolutely. standby ill get you the location

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

hows it going?

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Customer reply replied 6 months ago
Need smaller hands thinking of dropping cross member to gain some space
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok. thatll work

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Customer reply replied 6 months ago
Just got it off wires both exposed about a inch from plug shorted I am sure getting ready to test sensor
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok

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Customer reply replied 6 months ago
Ya fixed the short in wiring put in a new crank sensor but the old one tested good cranked it and showed no rpm so tried with starter fluid shows rpm while it runs with the starter fluid I think maybe maf sensor or distributer
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

so you aren't getting fuel. it's not the maf or distributor

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Customer reply replied 6 months ago
The pump is working just the injectors aren't firing any ideas
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

the only thing the keeps the injectors from firing is the PCM. once the PCM sees engine rotation from the crank sensor, it sends a pulse command to the injectors

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Customer reply replied 6 months ago
Try again in the am
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok my friend. ill be here

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Customer reply replied 6 months ago
The only thing I was thinking was maybe I put wrong vac line on the rail they litter all fell apart when I pulled intake
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

you mean the vacuum line for the fuel pressure regulator?

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

it will still run without it so you can even take it off

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Customer reply replied 6 months ago
Could it be fuel pump it self dosent seem to be holding pressure in line or maybe a stuck open injector pumps like crazy to prime the line
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

do a fuel pressure test

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Customer reply replied 6 months ago
Retested fuel pressure holds 35 psi on prime goes to 38 cranking when you stop cranking drops off noid light not hitting while cranking on cylinder one or cylinder 3 only two I tried
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok so no injector pulse

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

have you checked for spark?

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Customer reply replied 6 months ago
None
Customer reply replied 6 months ago
Are there any relays it could be
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

no. but let me look at at some fuses

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Customer reply replied 6 months ago
Ya has spark
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok.

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

hows it going?

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Customer reply replied 6 months ago
Getting code for the crank sensor but no running issue just throwing code cleared it 3 times but comes back on after a few starts and I need to smog it any suggestions
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

whats the code?

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Customer reply replied 6 months ago
P0335
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok. thanks

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

check the wiring for an open circuit.

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Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

Ill be back on in a bit

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Customer reply replied 6 months ago
Got called in to work be gone for 8 hrs myself thanks
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

ok, let me know when youre ready

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Customer reply replied 6 months ago
Have had to work back to back 12 hour days no time to look at truck but I had checked timing with my light before and it was firing on top dead center when it was at running temp could this be cause for crank sensor code
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

should be at 10 degrees +/ 2

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Customer reply replied 6 months ago
I am wondering if the code I am getting is caused by distributer timing I checked it and firing on top dead center I have looked online said it should be 5 degrees past but my manual says I can't change timing when I have a code
Nissan Mechanic: david craig, ASE Certified Technician replied 6 months ago

not true. get the timing correct

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