ENGINE LIGHT

  • Tiny
  • Sheps
  • 2006 Vauxhall Zafira
  • 90,000 miles

I have changed the ignition coil but the engine management light is still on what do I do.

Wednesday, February 15th, 2012 AT 7:38 PM

5 Answers

  • Tiny
  • Wrenchtech
  • Expert
  • 19,581 posts

The "check engine" light is an indicator for a system that monitors many electronic functions in the system, also called the "malfunction indicator lamp" (MIL). It can come on for any of hundreds of different causes from any of the systems that the computer monitors. Some are very important and can lead to further component or engine damage and some are emissions related not as serious but still a problem and need to be repaired.

Your first step is to have the computer scanned to retrieve the trouble codes that were set when the check engine light came on. Those codes will give you specific information about what the computer saw and will get you pointed in the right direction to find your problem

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Wednesday, February 15th, 2012 AT 7:42 PM
  • Tiny
  • Sheps
  • Member

I have had the fault code given to me and this is what prompted me to change the ignition coil.

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Wednesday, February 15th, 2012 AT 7:51 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,581 posts

Would you care to share that with us?

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Wednesday, February 15th, 2012 AT 7:53 PM
  • Tiny
  • Sheps
  • Member

903 rings a bell but this was 2 weeks ago

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Wednesday, February 15th, 2012 AT 8:04 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,581 posts

That number doesn't mean anything to me.

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Wednesday, February 15th, 2012 AT 8:09 PM

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