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Thread: 1.9 CDTI Fuel non return valve help

  1. #1
    Regular Member 2wheelstu's Avatar
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    Default 1.9 CDTI Fuel non return valve help

    I am contemplating installing a non return valve in my fuel line, to try and cure the syarting issues that i am having. Can anyone tell me what the bore size of the fuel line is please. I have seen 6mm,8mm and 10mm valves are available, and i'm not sure which one i need.

    Z19Dt engine 1.9 cdti (120)

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    Regular Member alcutler's Avatar
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    Vehicle : vectra c 1.9cdti 120 estate

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    Can't help you with the size required - I looked into doing this myself while having starting problems with my 1.9cdti 120 - there are several different sized ones on Ebay but all those I saw stated they were only suitable for low pressure systems so watch that. Fitting it into the feed line could be a problem as the pipe is a hard nylon type, but I'm sure other members will have done this mod, and could help. Keep us informed how you go on.

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