1994 Nissan Sentra EGR Valve or Throttle Sensor

1994 NISSAN SENTRA
179,189 MILES • 4 CYL • FWD • AUTOMATIC
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KENDERICK
  • MEMBER
  • 1 POST
I start my car up and it idles rough making a hissing sound and lags when you press gas petal and you rev it up to fast the rpms will drop and the engine will die and i looked in my intake manifold there was carbon build up
Jun 20, 2008 at 11:56 PM
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RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Inspect/test/adjust the throttle position sensors closed and wide open throttle voltages-
Jun 21, 2008 at 2:10 AM
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