VW Fox 2010 1.2 3 cyl missfire


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By forge-garage-lincolnshire - 7/1/2013 2:10:00 PM
Hi Guys

got a 2010 fox in the work shop with a intermittent miss fire on No 3 cylinder.

Customer changed plugs and 3 ignition coils

No other fault codes other than miss fire No3 cyl

If you pull hard throught 2Nd to 3Rd just under red line eml flashes on and goes off No 3 completely .

I was thinking it might be an hydraulic lifter holding the valve open

Cheers Chris K
By Robski - 7/1/2013 2:15:40 PM
If you pull hard throught 2Nd to 3Rd just under red line eml flashes on and goes off No 3 completely .

I was thinking it might be an hydraulic lifter holding the valve open
Do the misfire MVB's follow ?

Running compression on cyl#3 ??
By RichTT - 7/1/2013 2:29:54 PM
Compression test done?

Chocolate engine!
By SB126 - 7/1/2013 4:10:56 PM
compression. and burnt valve seats.
By sparki1 - 7/1/2013 4:12:33 PM
Waranty?
By xBenn - 7/1/2013 6:04:00 PM
3 cylinder engine - De-volution at it's best.
By forge-garage-lincolnshire - 7/3/2013 6:32:38 AM
Hi Guys,

Thank you for your replies the customer is taking it to VW in boston to be checked out.

Cheers chris K