Cam position sensor failure
Can a cam position sensor failure error cause the car to lose ignition and turn off? I was driving with HOD at Homestead today and the 5th session going into turn 8 I went off track due to this. I was threshold braking and downshifting into 2nd and all of a sudden the brakes went hard. Started pumping but lost 85-90% of the braking force. When I went off , I relaized that I had no power steering and dash was dead.
Never had the car shut off on me, but it would make sense due to the loss of a cam position sensor. Can somebody back me up or prove me wrong? Current engine codes are as follows: Pending P0341 cam position sensor Pending P0016 cam crankshaft position correlation sensor P0341 cam position sensor I'm guessing an easy fix, just replace cam position sensor? Or could it be more than that? Any ideas / suggestions welcomed. Sean |
Cam Gear, chain, bolts ......
You put a camshaft in, correct? I ask for 2 reasons 1. Correlation code, meaning the PCM has detected an error between when it see's the crank and cam sensors - not in sync 2. Failure of cam postion sensor would send ignition into limp home mode |
Originally Posted by glenB
(Post 1580185594)
Cam Gear, chain, bolts ......
You put a camshaft in, correct? I ask for 2 reasons 1. Correlation code, meaning the PCM has detected an error between when it see's the crank and cam sensors - not in sync 2. Failure of cam postion sensor would send ignition into limp home mode |
Coming from an old school point of view, failure of the cam positioning sensor will not cause the engine to die. Failure of the crank sensor to the ECM will stop it in its tracks.
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So what does it take to swap crank position sensors?
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I'm not certain but I tend to think with the cam position sensor not working the engine will not run. It won't know when to open each injector or fire each spark plug. The ecm needs to know where in the rotation the engine is. This has to come from either the crank or cam sensor, I think it comes from the cam sensor.
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Bad cam position sensor will hard start as well as backfire upon start-up.
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Originally Posted by marc8090
(Post 1580187256)
I'm not certain but I tend to think with the cam position sensor not working the engine will not run. It won't know when to open each injector or fire each spark plug. The ecm needs to know where in the rotation the engine is. This has to come from either the crank or cam sensor, I think it comes from the cam sensor.
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Thanks for the input guys. Time to put it up on stands and start troubleshooting...
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Do you have an underdrive pulley?
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Don't know if it's the same but I had a cam sensor go bad on my van and it wouldn't run at all.
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Originally Posted by 66biskwik
(Post 1580190525)
Don't know if it's the same but I had a cam sensor go bad on my van and it wouldn't run at all.
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Originally Posted by glenB
(Post 1580190395)
Do you have an underdrive pulley?
Took off the valve covers today and 6 springs are compressed with the rocker arm moving freely. About 0.125" gap. Tried to turn over motor and no vavletrain components move - not a good sign. Looks like it may be a broken timing chain for sure. The question is what caused it??? I will post pics in a few I the gap between valve stem and rocker arm |
Here is what they are supposed to look like... no gap between valve stem and rocker.
http://i1200.photobucket.com/albums/...9/IMG_2072.jpg I have 6 that look like this: http://i1200.photobucket.com/albums/...9/IMG_2071.jpg I bought the Katech C5R timing chain. I thought these were indestructible. Does the vendor have any warrantee if it broke due to material defect? I will start pulling the motor apart in the next week or so to confirm this was the problem. |
^ That is nuts! It sure does look like a broken timing chain. I can not believe this though, the C5R chains are amazingly strong.
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With the bent valves lets hope you didn't damage the pistons bad. I had a chain go on a L72 and luckly it was at low rpm's and didn't damage them that bad. Also check the bearings. Usually they are okay but beter safe than sorry.
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Originally Posted by Tim05C6Z51
(Post 1580190780)
^ That is nuts! It sure does look like a broken timing chain. I can not believe this though, the C5R chains are amazingly strong.
If the chain snapped due to material flaw, think I have a shot at a reimbursement on my motor? Bought the chain from Hinson, maybe I can call them to discuss. |
I think you defiantly have a case here if that chain broke. Man I wish you good luck on this one. Keep us posted. :blueangel:
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Originally Posted by Tim05C6Z51
(Post 1580191518)
I think you defiantly have a case here if that chain broke. Man I wish you good luck on this one. Keep us posted. :blueangel:
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Originally Posted by taken19
(Post 1580191552)
I will definitely keep you guys posted. Won't start breaking into the motor for a week or so but will take as found pics to post.
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