Guest chuftys2jz Posted May 25, 2012 Share Posted May 25, 2012 hi folks ive got a hissing coming from my fuel line on my 2jz gte is this normal when you turn on the egnition. it sounds like its coming from the fuel rail is it normal any help would be great thanks:) Link to comment Share on other sites More sharing options...
Andy Blyth Posted May 26, 2012 Share Posted May 26, 2012 It's the sound of the fuel being pushed through the tiny orifice in the fuel pressure regulator. Perfectly normal as long as it stops a couple of seconds after you turn the ignition on. Otherwise this means your fuel pump is running all the time with the engine off, which could be dangerous in an accident. Link to comment Share on other sites More sharing options...
Guest chuftys2jz Posted May 26, 2012 Share Posted May 26, 2012 ok thanks for the reply its hissing all the time when the ignition is on il have to have a look at the wiring thanks again Link to comment Share on other sites More sharing options...
David P Posted May 26, 2012 Share Posted May 26, 2012 Could be a noisy/tired fuel regulator. Link to comment Share on other sites More sharing options...
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