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1jzgte 1995 sc300 has a lot of fuel pressure in tank

Old 01-05-15, 08:14 AM
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1jz333
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Default 1jzgte 1995 sc300 has a lot of fuel pressure in tank

When I go to pump up my gas I noticed my tank has a lot of pressure in it. When I open the tank you can hear it hissing at you. What the heck is wrong? When I floor the pedal to the ground it goes full power then loses power then gets full power then loses full power but the psi is holding at 15 psi. I have a safc 1, hks fcd, stock ecu, and manual boost controller. Please help me
Old 01-05-15, 10:19 AM
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ArkLaTexSC
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Fuel cap hissing when coming off is common.....so common, in fact, it's talked about in the owner's manual, where we're told it's no big deal. Too spoiled by new models, I see!

As for your boost issues.....I haven't a clue, really.
Edit: with a stock ECU I always have to suggest capacitors.
Old 01-05-15, 10:22 AM
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1jz333
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I already replaced the ecu
Old 01-05-15, 10:24 AM
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Originally Posted by 1jz333
I already replaced the ecu
You can buy used ECUs all you want.....this is purely an age-related issue, not mileage/wear.
Old 01-05-15, 10:25 AM
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No I got it repaired
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