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s4c
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Post subject: Ford Transit/2002/2.4 Rough Running/No Power  Posted: Wed Jun 25, 2008 8:16 am |
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Joined: Thu May 01, 2008 8:50 am
Posts: 3
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Hi this is a scope of a crank and pump output signal. can anyone tell me if it is the correct signal or is the pump timming 'floating' around?
I suspect the pump being faulty or the cam chain is slack. Please check out the download
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PeterF
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Post subject: Posted: Wed Jun 25, 2008 2:03 pm |
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Joined: Thu Jun 07, 2007 10:53 am
Posts: 250
Location: Cambridgeshire
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Hi,
I think you are looking in the wrong area, the two signals are not related at all apart from being about the same frequency, it is the injection pulses that should be related to the cam sensor.
Regards,
PeterF.
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Matt Williams
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Post subject: Posted: Thu Jun 26, 2008 10:29 am |
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Joined: Tue Feb 12, 2008 11:34 am
Posts: 10
Location: Pico Automotive Department
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Hi,
If you suspect a slack timing chain, perhaps comparing the cam and crank sensors may show some wandering in their relationship.
Regards,
Matt
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