MY CHECK ENGINE LIGHT IS ON THE CODE READER SAYS...

  • Tiny
  • Anonymous
  • 1995 Nissan 200SX
  • 187,600 miles

My check engine light is on, the code reader says that speed sensor. So I replace it with a new one, when I start it, the engine runs rough and the idle is playing. Is the speed sensor cause this? Does it to be align? I put back the screw back in and I dont see anything that I have to align it. But before that I replace the speedsensor the car wont start, the battery is good is just no spark! I do some research that it might be the spark plug/wires, so I replace them out too! But then after that the car runs rough. Pls help!

Tuesday, December 18th, 2012 AT 3:05 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

Check for vacuum leaks and check the idle air control valve.

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Tuesday, December 18th, 2012 AT 3:08 AM

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