John66 Posted February 13, 2022 Share Posted February 13, 2022 Hi can anyone please help me on something my fuel tank is sucking in on my zafira mk1 and I have to pull over to release the pressure as I have full tank yet few miles up road sucks in making my sender unit say half or empty Quote Link to comment Share on other sites More sharing options...
Vauxhall Owners Club Posted February 16, 2022 Share Posted February 16, 2022 It sounds like the fuel cap is no longer venting. Perhaps the wrong one is fitted or the vapour vent/recirculating system is blocked. Has any new parts been fitted since before this issue started? Quote Link to comment Share on other sites More sharing options...
John66 Posted March 1, 2022 Author Share Posted March 1, 2022 Yes the just the perge valve and charcoal Canister Quote Link to comment Share on other sites More sharing options...
John66 Posted March 1, 2022 Author Share Posted March 1, 2022 4 minutes ago, John66 said: Yes the just the perge valve and charcoal Canister Also I'm looking to put fuel pressure gauge on but not sure on what the fuel rail threads are to get a adapter so I can keep an eye on it as the fuel pump is in the tank I would like it to be outside of the tank for easy access but not sure if it will be possible 1 Quote Link to comment Share on other sites More sharing options...
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