sstahl 4/15/2010

2004 Chevrolet Aveo Base 4Cyl1.6L - Transmissions & Drivetrains

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My car surges in gear

Whenever I put my car into gear, it ides up and will go on its own, even fast enough to shift into second gear. I have been having to put it into neutral to apply the brakes because it does not want to stop.

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  Nissan Technical Advisor 9/15/2010

  
  The engine may be overheating.
  The Fix: Check and repair cooling system.
  
  The fuel pressure regulator may be operating at too low a pressure.
  The Fix: Check fuel pressure with a fuel pressure gauge. Replace fuel pressure regulator. (Generally not a DIY job)
  
  The ignition timing may be set wrong.
  The Fix: Adjust ignition timing.
  
  There may be some type of ignition problem.
  The Fix: Check and replace distributor cap, rotor, ignition wires and spark plugs.
  
  There may be a fault in the computerized engine control system.
  The Fix: Check engine control systems with a scan tool. Test circuits and repair or replace components as required. (Generally not a DIY job)
  
  There may be a vacuum leak.
  The Fix: Check and replace vacuum lines as required.
  
  You have a bad idle speed control unit.
  The Fix: Replace idle speed control unit.
  
  The alternator may not be working properly.
  The Fix: Replace alternator.
  

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