Re: VW, Polo, 1.4 16v BBY eng code 2002. Archived Message
Posted by David Davies on May 21, 2008, 5:50 pm, in reply to "Re: VW, Polo, 1.4 16v BBY eng code 2002."
Suggest check the two cam belts.Random MAP codes were being set by the example I dealt with,and after two new MAP sensors(aftermarket then genuine) the problem was found to be excessive slackness in the smaller of the two belts.
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