Sheefa Posted June 23, 2019 Share Posted June 23, 2019 Hi all Long story short, every now and then my car blows the 30amp EFI fuse. It doesn't happen whilst driving and has only happened a couple of times in 6 months but clearly something is causing it to short. What would be the best things to check in chronological order please? Assume start with the fuelling system and maybe the tank pumps? Might check for Arcing around alternator area as heard that could be a problem. Any advice appreciated. Thanks Greg Quote Link to comment Share on other sites More sharing options...
rider Posted June 23, 2019 Share Posted June 23, 2019 Its clearly a short that'll blow a fuse of that relatively high amperage. Best look where the wires can get hot first and work from there. O2 sensor wire is a good place to start seeing thats up against the manifold and that's also a good place to short to. PS - I have a used serviceable one if you need a quick replacement. Quote Link to comment Share on other sites More sharing options...
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