Josh Posted December 29, 2022 Share Posted December 29, 2022 (edited) Hi all, My wife's 2016 Hyunai Santa Fe's engine started knocking on Boxing Day towards the end of a 10 minute drive. It seems to be coming from the top of the engine, from one of the two middle cylinders. From reading I've done, it seems like it could be "injector nailing" where fuel ignites before fully getting into the combustion chamber. A garage looked at it today and said that they feel like it's something within the engine and it's not advisable to drive it. I've parked it on a residential street near to the garage for now. I've tried phoning around engine specialists, but no one is answering due to the time of year. Has anyone come across this before that may be able to help in diagnosing it? The noise starts after about a minute of driving from cold. Admittedly, the car is due a service, and when I took the oil cap off, it had sludgy black oil on it, so wondering if this could have blocked an oil way and caused starvation. Surely a warning light would come on if so. Thanks for any help, Josh Edited December 29, 2022 by Josh (see edit history) Quote Link to comment Share on other sites More sharing options...
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