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#1033060 - 12/12/15 06:49 PM camshaft sensor ???  
Joined: Aug 2007
Posts: 80
edward Offline
Member
edward  Offline
Member

Joined: Aug 2007
Posts: 80
phila pa
Hi guys Today I scanned my car for trouble codes came back as code 41 CAM sensor failure. Do we have a cam sensor in our engines???? If not why would it give me this code?? Is this due to something else that maybe failing. I have a haynes, chilton, and an original gm shop manual. In the haynes manual I find the code 41 that says No distributor reference pulses to ECM with engine running/ it says the problem could be poor electrical connection, open or short in circuit, defective distributor pick up coil: fault in the MAP or VAC sensor circuit. In the GM Service manual it states No distributor reference signal. I did a real time data scan monitored MAP sensor the sensor volts charged during acceleration so I am guessing MAP sensor is ok? Thank you for your help ED

#1033062 - 12/12/15 08:52 PM Re: camshaft sensor ??? [Re: edward]  
Joined: May 2009
Posts: 2,012
Richie Cat Offline
10+ Year
Richie Cat  Offline
10+ Year
Member

Joined: May 2009
Posts: 2,012
Lake Ronkonkoma, N.Y.
Go by what you first stated.
No there is no cam sensor, it's directing you to the distributor.


83 SC, 355 w/TPI
#1033087 - 12/13/15 09:38 PM Re: camshaft sensor ??? [Re: edward]  
Joined: Nov 2003
Posts: 3,439
cj84ss Offline
10+ Year
cj84ss  Offline
10+ Year
Member

Joined: Nov 2003
Posts: 3,439
Jacksonville, Fl.
Usually it has to do with the plug wires to close to the big wire harness from the distributor to the ecm.


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