RepairPal is your advocate for car care advice and guidance

Q: engine knocking on 1994 Infiniti Q45

There is a engine knocking when car is in drive. If i am driving i can put it in N to stop the knocking. i was informed that i have 2 bad spark plugs or cylinders would that cause the knocking? can the engine be rebuilt if the 2 cylinders are damaged?
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
It does not mean the engine needs to be rebuilt. The engine could be misfiring under a load. It could be a bad wire or coil or a fouled spark plug. These repairs can be made without having to rebuild the engine.
Didn't find what you were looking for?