Mark leonard Posted May 4, 2022 Posted May 4, 2022 I have an sq5 deisel 3 litre 2015 Cgqb engine 72000 on the clock I am having a crank no start issue the fuel pump is not working with ignition on but when I run a electrical fuel pump test on obd eleven the pump works fine and I getting fuel to the rail any suggestions I am thinking fuel pump relay or fuse but I am having no luck finding the relay and the fuses all look good any help would be appreciated
Stevey Y Posted May 4, 2022 Posted May 4, 2022 Hi check the cam belt has not slipped that would cause these symptoms, I have seen very similar before where the belt has jumped a tooth, only other possible culprit is the fuel rail pressure regulator is stuck. Steve.
Stevey Y Posted May 4, 2022 Posted May 4, 2022 1 minute ago, Stevey Y said: Hi check the cam belt has not slipped that would cause these symptoms, I have seen very similar before where the belt has jumped a tooth, only other possible culprit is the fuel rail pressure regulator is stuck. Steve. Hi another thought is run a false fuel supply to the HPFP and try that if it starts that will nail it down to a fuse/relay.
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