I have a problem in the car when you reach the car after the sixty the car jump three jump

2006 CHEVROLET EPICA
120,000 MILES
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SAME HUSSAN
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I have a problem in the car when you reach the car after the sixty the car jump three jumps and after that The car performance become less than before
Mar 17, 2012 at 7:46 AM
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RASMATAZ
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If you mean it skips/surges after 60mph and loss of power from then on-start by checking the fuel pressure if its within specs and also test the TPS and MAP sensors
Mar 17, 2012 at 8:25 AM
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SAME HUSSAN
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This problem happened once a time after switching on the car (mean every switching on the car)
Mar 17, 2012 at 8:33 AM
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RASMATAZ
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Do you have a check engine light on when it starts to jump? If not follow up on my suggestion
Mar 17, 2012 at 8:39 AM
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SAME HUSSAN
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check engine light always on, even before the jump
Mar 19, 2012 at 11:54 AM
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RASMATAZ
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Scan the computer for code/s-this is your starting point of diagnosis
Mar 19, 2012 at 4:44 PM