Are engine warning lights in Changan Karvaan triggered accurately when ignition coils start failing, o r are issues detected too late in Pakistan?

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Are engine warning lights in Changan Karvaan triggered accurately when ignition coils start failing, o r are issues detected too late in Pakistan?

Some drivers report no early warning signs. Is the onboard diagnostic system not sensitive enough to catch early ignition issues?

Sandeep asked on 26 Jun 2025 18:10:05 pm

1 Answer

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Car Mechanic Expert - on 26 Jun 2025 18:14:39 pm

Not always:

Many users say Check Engine Light CEL appears only after severe misfires.

The ECU in Karvaan may not be sensitive enough to detect mild misfires o r coil voltage s early.

⛔ Conclusion: Late CEL activation means drivers often miss early signs of coil failure.

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Are engine warning lights in Changan Karvaan triggered accurately when ignition coils start failing, o r are issues detected too late in Pakistan?

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