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stumble and die

Posted: Wed Aug 10, 2011 10:02 am
by nasse
hi all
I have a type 4 beetle engine with MSII and EDIS. but latley i has become troublesome. whatever rpm im in it stumbles, and sometimes so bad it dies.
but if i turn the ignition off an on again its starts fine but keeps stumbling until it dies the next time.
I was using a wideband LC1 recentley by it is no longer connected. however I have been using another offline lambda reader and it seems fine.
enclosed is a log, i was keeping it on high idle and suddenley it dies.
any tougts?

Nasse

Re: stumble and die

Posted: Thu Aug 11, 2011 4:32 am
by Matt Cramer
It looks as if the ECU suddenly lost the RPM signal.