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Author Topic: What causes...  (Read 1083 times)

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JamesV6CDX

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What causes...
« on: 10 July 2007, 02:17:39 »

... Cam sensor failure, on 4 cylinder VX engines? I notice that the XE engines suffer especially, - yet it's almost unheard of, with the V6!

I removed a "failed" (according to ECU) camsensor from a 1.8 S reg Veccy on Sunday - the cable itself looked fine.

So given that it's a hall sensor - what actually "fails"?

I'm sure there's a totally normal explanation, I'm just curious!!
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DaveL

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Re: What causes...
« Reply #1 on: 10 July 2007, 12:35:57 »

Quote
... Cam sensor failure, on 4 cylinder VX engines? I notice that the XE engines suffer especially, - yet it's almost unheard of, with the V6!

I removed a "failed" (according to ECU) camsensor from a 1.8 S reg Veccy on Sunday - the cable itself looked fine.

So given that it's a hall sensor - what actually "fails"?

I'm sure there's a totally normal explanation, I'm just curious!!
..pass, i have even tried checking the resistance between the pins on a shown bad one and a good one. Only a few ohm's difference between them. Should we ask for a research budget from the government to investigate, or a lootery hand out? (intended misspelling) ;D ;D


DaveL
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Marks DTM Calib

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Re: What causes...
« Reply #2 on: 10 July 2007, 12:39:28 »

When I disected the one TD sent me, it had a failed surface mount cap in it....a cermaic one which might well have simply failed due to the vibrations.
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DaveL

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Re: What causes...
« Reply #3 on: 10 July 2007, 12:42:55 »

Quote
When I disected the one TD sent me, it had a failed surface mount cap in it....a cermaic one which might well have simply failed due to the vibrations.
Could it not be resurrected by re gluing with sat Araldite?

DaveL
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Marks DTM Calib

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Re: What causes...
« Reply #4 on: 10 July 2007, 12:47:02 »

No chance.....you needed a dremmel just to get at it!

It was soldered to a small PCB so could have been swapped.
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DaveL

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Re: What causes...
« Reply #5 on: 10 July 2007, 13:00:26 »

Quote
No chance.....you needed a dremmel just to get at it!

It was soldered to a small PCB so could have been swapped.


Nothing is easy... ;)
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