Re: seat ibiza 1.2 petrol 3cyl 2003 e/m light on Archived Message
Posted by Nick Bell on May 1, 2007, 8:28 am, in reply to "seat ibiza 1.2 petrol 3cyl 2003 e/m light on "
Hi John, Have you checked the actual signal from the MAP sensor with a 'scope or meter? It occurs to me that if it is faulty, the ECU could be substituting some reasonable values for MAP, which you're seeing in live data, as you get with some faulty, or unplugged, MAFs! Regards, Nick Bell
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