i have a restricted performance message on my 03 STR

Asked by GIL Apr 12, 2017 at 10:13 PM about the 2003 Jaguar S-TYPE R Base

Question type: Maintenance & Repair

I need help in solving this RESTRICTED PERFORMANCE message on my 2003 Jaguar STR. It will not let engage the supercharger when I press down on gas pedal rather hard, it will jerk a bit.  I can bring it up to 75mph  with a slow steady press on gas pedal. If I erase the code with my scanner, it will accelerate with supercharger engaged if pressed hard. Any ideas?

6 Answers
70,915

Kelly answered 7 years ago

HUMMMM OK YOU KNOW A CODE/S....WHAT ARE THEY ///???

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15,925

Larry answered 7 years ago

RESTRICTED PERFORMANCE! It couldn't have said it any plainer. You have a problem with the blower and erasing the code will not fix it. You don't say what the code is/was so no more help is available.

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Corey answered 5 years ago

I also have a 03 STR - its the Mass Air flow Sensor easy to replace. Must got supercharger MAS regular one won't work.

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STR1234_ answered 4 years ago

no need to guess or wonder,it is always the same thing when he SC doesn't engage, power doesn't get to the ic auxilliary pump,just rewire or find the short.

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