Question about 1987 Toyota Supra

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E,f,i fuse! what else is coverd by this particular fuse?

On 3 occasions now my e.f.i fuse has blown. it only happens after a long period of hard acceleration. the fuel pump stops and theirs no spark at the plugs. on checking if i have power going to the coil unit i found 2 live feeds but no earth. on supplying an earth to the coil i heard like a relay click so i replaced the e.f.i. fuse and got it started! and the fuse hasnt blown since. but i need to know what else the efi fuse covers? or could it be a relay with an intermitant fault? the car is a toyota supra 2.0 twin turbo 1g gte engine 1992 mk111. any advice would ba much appreciated. just lost trust in the old girl and scared to put my foot down or go on long journeys. yours hopefully DAVE.

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The way you are saying it sounds like the alternator is going bad which will directly affect the ignition sys, being an old vehcle i would suspect the fuel pump shorting out

Posted on Nov 12, 2008

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