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For the money you spent on another computer, you could have brought your car to a qualified mechanic and had the problem correctly diagnosed and repaired. 'Restricted performance' meant the computer saw something wrong in the engine, and restricted the performance to keep from destroying the engine. You killed the messenger and still have the same problem.
the car is in restricted mode...you must have the ecm codes read to see why its in restricted performance mode..it sounds like a vacuum leak which is causing a knock or misfire
if the supercharger has failed it will have to be replaced and the restricted performance came on so that further damage wont be accrued ....keep us posted
i have problem jaguar x type 2004 when many time motor is start the ligth amber turn on and massege engine fault problem.next the engine do not acceleration
you may have to replace the cowl pack itself that sit on top of the spark plug and sometimes you can get by just changing the boot wish you the best of luck Michigan Man.
I had the same problem. Restricted performance and running rough at 3000 RPM. I have an OBDII code reader and found that the problem was in the air mass flow sensor, which is just after the air filter. I pulled this out and found it was dirty and had butterfly wings in it. The last shop where I had the oil changed replaced the filter for me but put in the wrong size. Close but no cigar. Bought some *** Flow Sensor cleaner at auto store and fixed the problem. Get an OBDII reader with the ability to erase the codes. Comes in real handy.
It means that it is switching to limp home mode, the computer has detected an engine problem, you need to get a code reader or take it to somone who has one and read out the fault codes to see what is faulty/needs replacing.
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