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Discussion Starter · #1 ·
Last week when driving home from work i got a engine management light and code was CC ID 27.

I scanned with carly and got fault 004933 Air System, air to egr mass flow plausibility.

I cleared the fault and was fine for a few days but now it has come back again. Then it cleared itself after continuing down the motorway but then day later it came back. Went into a limp mode whilst fault was active.

I read many different things and not sure where to start investigating. Any advice would be helpful.

I changed the EGR around 3 year ago.
 

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Fault code 4933 and other search results seem to point to the EGR itself
 
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