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Can driving with a bad ignition coil cause further engine damage?

Can driving with a bad ignition coil cause further engine damage?

Yes, ignoring a faulty ignition coil can result in unburnt fuel entering the catalytic converter, potentially causing expensive damage. Discussing the risks of delaying repairs can help Prius owners take action sooner.
Zarnish asked on 13 Feb 2025 16:08:50 pm
1 Answer
25 views |
Car Mechanic Expert - on 13 Feb 2025 16:27:19 pm
Yes, driving with a bad ignition coil can lead to further damage:

Unburnt Fuel in the Catalytic Converter: If the ignition coil is failing, unburnt fuel can enter the catalytic converter, potentially causing damage. This can result in costly repairs, as the catalytic converter is an essential and expensive part of the emission system.
Engine Misfires: Prolonged misfires can cause damage to engine components, leading to more expensive repairs down the line.

It is crucial to address a faulty ignition coil promptly to avoid long-term engine damage.
 

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