Is the Check Engine Light CEL in Changan Kalam sometimes triggered by spark plug problems?

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Is the Check Engine Light CEL in Changan Kalam sometimes triggered by spark plug problems?

Faulty plugs can cause misfire codes like P0300-P0304. Are workshops in Pakistan scanning and diagnosing this correctly?

Sirat Ul Jinan asked on 25 Jun 2025 15:37:28 pm

1 Answer

20 views |

Car Mechanic Expert - on 25 Jun 2025 15:43:14 pm

Definitely:

Worn spark plugs cause cylinder misfire codes like:

🔧 P0300 random misfire

🔧 P0301–P0304 specific cylinder misfires

Some Pakistani mechanics skip OBD-II scanning and misdiagnose the issue.

➡️ Always scan the car when CEL is ON — don’t rely only on visual inspection.

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Is the Check Engine Light CEL in Changan Kalam sometimes triggered by spark plug problems?

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