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Discussion Starter #1
Hi all basically my astra coupe turbo is kicking up codes for map sensor and lambda sensor. I have replaced both but no luck :confused: was wondering if anyone had similar problems and the earth mod fixed them? im on a 51 plate too if this means anything.
 

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Sounds like ecu issues. Scotty_sxi is in the same boat a you, new lambda sensors etc and still telling him they are broken. Try it for the £5er it costs but i highly doubt it tbh

My money is on ecu. £80 for an hours diagnosis and update from vx so worth seeing what they can find before spending too much
 

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A.O.N. - Platinum Member
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Have you replaced both the lambda sensors? I think there is two in the coupe
 

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There is too lambda's in all cars with a cat as far as am aware
 

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A.O.N - Approved Vauxhall Specialist (Anthony)
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There is too lambda's in all cars with a cat as far as am aware
Only on 'Z' family engine and later. The second sensor after the cat just confirms the cat is working and has no influence on the engine fuelling, and is required for an engine to meet a certain Euro emissions standard.
 

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A.O.N. - Platinum Member
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Hang on a minute,

isnt the z20let the VXR lump? I wasn't aware that engine was ever put into a coupe, but it was the z20leH
 

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Hang on a minute,

isnt the z20let the VXR lump? I wasn't aware that engine was ever put into a coupe, but it was the z20leH
Leh is vxr. Yup it was in the coupe, sri turbo then gsi on a differant map (i think the map was changed)
 

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Discussion Starter #10
I think ill give the earth mod a try because its not an expenisve thing to do. if it still is then the ecu is prob the answer then. the lambda sensor code says 02 sensor no activity and im sure it was for the first one which i replaced. thanks
 

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Check the loom then. You have maybe damanged a cable back there
 

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A.O.N - Approved Vauxhall Specialist (Anthony)
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I think ill give the earth mod a try because its not an expenisve thing to do. if it still is then the ecu is prob the answer then. the lambda sensor code says 02 sensor no activity and im sure it was for the first one which i replaced. thanks
Which earth mod is this? Got a link to any details?

Be careful, as adding earths at random can cause more problems than it solves.
 
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