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v10 smoking

5.7K views 4 replies 4 participants last post by  brian gilmour  
#1 ·
Can any body tell me why she smokes in the morning and miss-fire on injector 10 this goes away above idle and no smoke when driving??????????? please need help dealer about to remove motor again.
 
#2 ·
Both my diesels smoke upon start-up, especially in winter. It's slight over fueling to compensate for the low ambient temps. Nothing you can do about it.

My R5 had an elusive misfire on one cylinder for about a month which totally baffled two dealers. I eventually traced the fault to bad quality fuel. The filling station regularly used, had water in the underground diesel tanks. I changed to SASOL 50ppm from a reputable filling station and the problem went away.

BTW, I only put 2 and 2 together when my TDI Jetta also started misfiring.