Henry ... 8/23/2010

2004 Pontiac Vibe Base 4Cyl1.8L - Engine

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Check Engine don't come on when the key is turn on, car will not start.

power at injeters, fule pumpe don't make any sound when the key is turned on. I replaced the computer still no change. All the fuses are OK.

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• 
  Bobby 8/23/2010

  does the car crank or do nothing when you turn the key?

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  Henry Plange 8/25/2010

  Thank you, yes the car cranks when you the key is turned on.
• 
  HouseCallAuto 8/23/2010

  Here is a similar case and the diagnostic >>
  
  
  No start. Has no spark or injector pulse. No Malfunction Indicator Lamp (MIL) light Key On Engine Off (KOEO) or cranking. Tech removed the Powertrain Control Module (PCM) behind the glove box and the light came on when disturbed and the engine started.
  Tests/Procedures: 1. Check B+ and B- at the PCM. See diagram, when no start happens again.
  
  2. Wiggle tug test wire harness by the PCM.
  
  3. Hold the PCM and tap test the case and see if the engine stalls if running or KOEO see if the MIL goes on/off.
  

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  Henry Plange 8/25/2010

  Thank you so much, I'll try that.