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How long can you drive with a misfiring engine?
Most cars can run up to 50,000 miles with a misfiring cylinder, and for that, your car should be literally designed to use tough cantankerous, easily replaced air-cooled four-cylinder engines.
What happens if you drive with engine misfire?
Engines that idle in a clunky or rough manner could be suffering from misfiring. In essence, when a misfire occurs and the air to fuel mixture in the cylinder becomes compromised, your engine essentially may jump up and down, causing your car to start and stop suddenly.
How much does it cost to fix a misfire?
How much does a cylinder misfire repair cost?
| What May Cause the Engine Misfire | Average Estimate |
|---|---|
| Carbon or oil-fouled spark plugs | $100 to $250, depending on the costs of the plugs and local labor rates |
| Faulty ignition coil | $150 to $250 |
| Fuel injector | $275 to $400 |
| Vacuum leak | $200 to $800 |
Can a misfire mess up the engine?
Can My Engine Be Ruined by a Misfire? A misfire can be caused by a myriad of issues. However continuing to run an engine that is misfiring can cause catastrophic damage – and the longer you put off fixing the cause of the misfire, the more damage you’ll cause to the engine.
Is it expensive to fix a misfire on a car?
It depends on the cause. For example, if the misfire is caused by a bad on-plug ignition coil, which is quite common on many newer cars, the repair might involve replacing a bad coil and all the spark plugs. This could cost $300-$400 for a 4-cylinder engine or $450-$700 for a V6.
Is it safe to drive with a misfiring spark plug?
An engine misfire can be caused by bad spark plugs or imbalanced air/fuel mixture. Driving with a misfire isn’t safe and can damage your engine.