2005 Chevrolet Cobalt Acceleration

2005 CHEVROLET COBALT
125,000 MILES
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NRH641
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  • 2 POSTS
Car will not accelerate past 50mph. It is at an auto mechanic shop now and they cannot diagnose the problem. They have tested the catalytic converter, torque converter, throttle position sensor, crankshaft sensor, and the coil pack. They have had the car for over a week now.
Jul 18, 2013 at 12:30 PM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Have they checked for vacuum leaks on or around the intake? Have they tested fuel pump pressure to ensure it is within the manufacturer's specs?
Jul 18, 2013 at 6:55 PM
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NRH641
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Thanks for answering!!! They have checked all hoses and the fuel pump. They were checking the fuel injectors next. I haven't heard anything back yet.
Jul 19, 2013 at 1:58 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
let me know what they find.
Jul 19, 2013 at 6:32 PM