Sentences with phrase «then unburned fuel»
If your Golf is new enough to have a catalyst (many VW diesels are), then unburned fuel in the exhaust will quickly damage it, so you want to fix this.
https://mechanics.stackexchange.com/ Not exact matches
The gearbox will even cut engine spark on up and downshifts for faster gearchanges — and then when the unburned fuel ignites in the exhaust system, it sounds mega.