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s4c
Newbie
Joined: 01 May 2008
Posts: 1
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 Posted: Wed Jun 25, 2008 8:16 am Post subject: Ford Transit/2002/2.4 Rough Running/No Power |
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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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Transit Duratec.jpg |
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PeterF
Site Admin
Joined: 07 Jun 2007
Posts: 117
Location: Cambridgeshire
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| Posted: Wed Jun 25, 2008 2:03 pm Post subject: |
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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
Site Admin
Joined: 12 Feb 2008
Posts: 6
Location: Pico Automotive Department
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| Posted: Thu Jun 26, 2008 10:29 am Post subject: |
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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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