Are ECU Engine Control Unit errors o r outdated software updates causing misfiring o r sputtering in some Changan Karvaan units in Pakistan?

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Are ECU Engine Control Unit errors o r outdated software updates causing misfiring o r sputtering in some Changan Karvaan units in Pakistan?

Incorrect fuel-air management can cause rough idling o r throttle response. Are dealerships checking the ECU during routine maintenance?

Sirat Ul Jinan asked on 26 Jun 2025 16:57:41 pm

1 Answer

11 views |

Car Mechanic Expert - on 26 Jun 2025 17:29:55 pm

Yes, but less common:

ECU miscalibration can cause:

Rough idling

Misfires

Throttle delay

In Pakistan, software updates are rare and many dealerships don’t routinely update ECUs.

⛔ Conclusion: ECU software issues are underdiagnosed and should be part of major servicing.

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Are ECU Engine Control Unit errors o r outdated software updates causing misfiring o r sputtering in some Changan Karvaan units in Pakistan?

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