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<blockquote data-quote="jarance" data-source="post: 237363" data-attributes="member: 21"><p>try this. when you experience the erractic RPM, unplug the MAF while engine is running. If the RPM goes higher but steady, then the problem is the MAF.</p><p></p><p>If I am not mistaken, when the MAF fail, the ECU will use a fail-safe default value to control the fuel mixture. It will be slightly higher to allow you to reach your workshop.</p><p></p><p>Try to check for leaking or loose vaccum hoses as well. The are most likely the problem.</p></blockquote><p></p>
[QUOTE="jarance, post: 237363, member: 21"] try this. when you experience the erractic RPM, unplug the MAF while engine is running. If the RPM goes higher but steady, then the problem is the MAF. If I am not mistaken, when the MAF fail, the ECU will use a fail-safe default value to control the fuel mixture. It will be slightly higher to allow you to reach your workshop. Try to check for leaking or loose vaccum hoses as well. The are most likely the problem. [/QUOTE]
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