Definition of discourse marker noun from the Oxford Advanced Learner's Dictionary
When an engine starts knocking, one of the first things a mechanic will check is the oil pressure. A warning light may come on in the car, and adding sufficient oil will solve the problem. Sometimes, a knocking noise is caused by loose torque converter bolts or a loose flywheel.
You don't say what year, model or type engine, but from your discription of the problem I would say you have a bad knock sensor. This will cause the pinging, power loss and excesive fuel consumption. dirk d Â· 8 years ago.Thumbs up.ou don't say what year, model or type engine, but from your discription of the problem I would say you have a bad knock sensor. This will cause the pinging, power loss and excesive fuel consumption. dirk d Â· 8 years ago.