ASTRA CONVERTIBLE RUNNING ROUGH!!!!!!

  • Tiny
  • Robert123ma
  • 2004 Vauxhall Astra
  • 70,000 miles

Hi All,
I have a 04 Vauxhall Astra convertible that is giving me a right nightmare.
When the car is idling it's fine, accelerating fine but when at a crusing speed the car seems like its missing!
I've had the EGR valve changed, MAF sensor changed, coil pack changed, new plugs, throttle body cleaned. All parts are new and genuine vauxhall.

Do you know of anything I may be missing

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Friday, August 10th, 2012 AT 8:07 PM

5 Replies

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Could be an injector, coil or internal engine.

Start with a compression test to verify motor is good.

Roy

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Friday, August 10th, 2012 AT 8:17 PM
  • Tiny
  • Robert123ma
  • Member

Hi, thanks for the reply. Just had the compression checke and it's not that?

Cheers

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Saturday, August 11th, 2012 AT 1:52 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Injectors need to be checked, vacuum leaks, many other possibilities.

What were the compression results.

Roy

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Saturday, August 11th, 2012 AT 2:49 PM
  • Tiny
  • Robert123ma
  • Member

Lambda Sensor Universal.

Bought one today for the car. Has 2 white, black and grey wires.

Which wires to I connect these to on the harness?

Cheers

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Saturday, August 11th, 2012 AT 7:39 PM
  • Tiny
  • jose6910
  • Member

Hi, I have exactly the same problem. Was it the Lambda sensor?

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Friday, August 31st, 2012 AT 9:43 AM

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