2003 s type restricted performance

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06-17-2017, 10:08 PM

casey519

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2003 s type restricted performance

the car has ran badly sense 89 octane gas with ethenol was put in it.The restrictive performance light goes on and off.When it comes on it dies when i try to accelerate.just runs very rough.

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06-18-2017, 09:34 AM

JagV8

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They don't mind some ethanol and 89 is close to spec so could be coincidence.

Check battery as a tired/failing one does this kind of thing.

Next check for code / pending codes then watch fuel trims.

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