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You can permanently damage the catalytic converter (if fitted) which can be costly to replace.

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Q: What kind of permanent damage could be caused by a poorly tuned or misfiring engine?
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Related questions

A misfiring or very poorly tuned engine COULD cause permanent damage to?

The catalytic converter


Why misfiring petrol injection engine?

Misfiring on a petrol injection engine is caused due to incorrect ignition timing. As the engine rotates, the timing determines when each piston fires or ignites.


What is the cause of a 1979 cj5 6 cylinder misfiring and shutting down?

misfiring probably caused by a damaged collector in distributor. if this mini cylindirical part damage engine misfires lose almost all power and while pressing throttle engine works very noisy like a gun...


What do you do if an engine computer is misfiring?

An engine computer does not cause a misfire but merely reports it. The misfire is probably caused by the ignition coil or plug wires


Why is misfiring of the engine monitored?

why would it no be


What does the engine light flashing means on a 2005 Volkswagen passat?

Flashing means that the car is misfiring. Driving it like that could damage the catalytic converter.


What could be the cause for an engine knock in a 97 Dodge intrepid 3.5 L What damage could be caused from this?

perhaps failing oil pump caused engine damage


Can you still drive when misfiring car?

You can but it is not a good idea. If your engine is misfiring then unburnt fuel will enter the exhaust. This will damage the O2 sensor and eventually destroy the catalytic converter costing you big time. Stop driving the car until you can have it repaired.


Had engine oil changed and drove a mile and engine stoped found no oil in engine is this a sign of permanent damage?

Of course there will be permanent damage its just a matter of how much. If the engine stopped it may be that the engine has seized. If that's the case you are going to have to get a new/rebuilt engine and if you went somewhere to have your oil changed and they did this you should go and have them pay for it.


Can a oil change where the person forgot to remove old oil gasket and I had leak and engine knock cause timing belt to break and perm engine damage?

if I understand your ? can not changing an old oil filter gasket casue damage to your engine NO only if it leaked out all the oil other wise no. If the filter change was the cause of the leak and you lost enough oil for the engine to start clattering, yes, it caused the permanent engine damage.


Is a car fixable if you drive it with no oil?

Engine seized? No Depending on distance driven - might have done permanent damage to engine


What damage is caused from leaving a radiator cap off?

engine implodes