Fault Codes - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 12-04-12 Thread Starter
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Help Fault Codes

Hi Guys,

I've had a good look through the search function but cant seem to find an answer.

I've got an intermittent fault coming up, the CEL light comes on and off.

Its logging P1175 & P1172.

By looking through previous results, it looks like this could be a crack in a hose, lambda sensor or cam sensor.

Has anyone had this issue before and what did you do to put it right?

Any advice would be appreciated


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(Post Link) post #2 of 5 Old 14-04-12 Thread Starter
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Hi folks,

I thought I'd have had a we bit of advice by now...

Is there any guides etc on the site that I'm missing for the fault codes and remedies?


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I would go with a cam sensor problem, have you googled it, I do remember seeing a whole list.
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Google is your friend here, but be sure to search for Alfa specific fault codes - P1*** means a manufacturer specific code. I found P1172 Self adaptive parameter TRA and P1175 Mixture 2 stength (multiplicative) which seems to suggest faulty MAF or an intake air leak.
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Harvey: What are you using to read the codes?
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