LHyatt Posted November 12, 2012 Report Share Posted November 12, 2012 My battery was replaced in February this year when I got it serviced, so it shouldn't be that.Whenever it rains or if it is humid and misty my engine seems to lose power, it will start but then randomly jerk and jitter under low and high speeds/revs.When I try to correct it by pushing on the accelerator to increase the revs the rev meter will continue to drop and then suddenly increase giving lots of revs for half a second then decrease again making it jittery and hard to drive.ONLY experienced it in bad/wet weather conditions.The battery warning light flickers wildly when the power is decreasing and when the revs shoot back up again it goes off.Any advice is much appreciated. Quote Link to comment Share on other sites More sharing options...
JoeA Posted November 12, 2012 Report Share Posted November 12, 2012 Have the codes scanned Quote Link to comment Share on other sites More sharing options...
m1cr08472 Posted November 13, 2012 Report Share Posted November 13, 2012 The battery light should only come on if your alternator is failing to charge the battery or if your engine cuts out. Sounds electrical to me but not the alternator, maybe failing coil or ht leads. Could be a short cutting the electrics out when it gets damp.Get it scanned on vagcom. Quote Link to comment Share on other sites More sharing options...
Kieranbolton Posted November 13, 2012 Report Share Posted November 13, 2012 isit not a cracked dizzy cap/ faulty dizzzy?Kieran 1 Quote Link to comment Share on other sites More sharing options...
JoeA Posted November 15, 2012 Report Share Posted November 15, 2012 Its probably the leads, theyre made of cheese. Quote Link to comment Share on other sites More sharing options...
gatesy0093 Posted November 15, 2012 Report Share Posted November 15, 2012 try the sparkplugs and leads. did that for me and it sorted the problem Quote Link to comment Share on other sites More sharing options...
Silver! Posted November 15, 2012 Report Share Posted November 15, 2012 I reckon leads too. Quote Link to comment Share on other sites More sharing options...
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