cam sensor problem
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Junior User
Joined: May 2009
Posts: 58
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From: Genoa, IL
cam sensor problem
Have a 96 F350, and have put 3 cam sensors in it in less than 1200 miles. I ckecked out the harness and plug at the sensor and they are fine. Any ideas on what could be causing this? Also breaks up if you get on it hard between 2100 and 2700 rpm. It smellslike unburned fuel all the time but doesn't smoke.
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
Welcome to FTE
That can be normal in some extreme cases. They can be bad right out of the box. At least they are much cheaper now...even at the dealer.
You need to get it on a good scanner just to be sure it's a CPS.
Look at the end of the CPS for damage. If your cam is walking back and forth excessively it may hit the CPS. Might need to be shimmed. Even if it doesn't hit it may cause an erratic signal....
That can be normal in some extreme cases. They can be bad right out of the box. At least they are much cheaper now...even at the dealer.
You need to get it on a good scanner just to be sure it's a CPS.
Look at the end of the CPS for damage. If your cam is walking back and forth excessively it may hit the CPS. Might need to be shimmed. Even if it doesn't hit it may cause an erratic signal....
Post Fiend
Joined: Feb 2009
Posts: 8,773
Likes: 1
From: Texas Coast
Might need to be shimmed
Welcome to FTE
That can be normal in some extreme cases. They can be bad right out of the box. At least they are much cheaper now...even at the dealer.
You need to get it on a good scanner just to be sure it's a CPS.
Look at the end of the CPS for damage. If your cam is walking back and forth excessively it may hit the CPS. Might need to be shimmed. Even if it doesn't hit it may cause an erratic signal....
That can be normal in some extreme cases. They can be bad right out of the box. At least they are much cheaper now...even at the dealer.
You need to get it on a good scanner just to be sure it's a CPS.
Look at the end of the CPS for damage. If your cam is walking back and forth excessively it may hit the CPS. Might need to be shimmed. Even if it doesn't hit it may cause an erratic signal....
I keep reading about shimming the CPS. Whats the process?
Rocky
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
I dont know the process but here is the kit
Camshaft Position Sensor (CPS) shim kit
Camshaft Position Sensor (CPS) shim kit
- (International) 1826583C91
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