adrianmayer1
DS4 Engine Misfires
Summary of the thread
A 2022 Citroen DS4 hybrid with 50,000 km is experiencing engine misfires, indicated by a check engine light, rough running, jerking during acceleration, and power loss. The problem is more pronounced when the engine is cold, suggesting a potential issue with the fuel injector rather than the spark plugs. Replacing the defective fuel injector resolved the issue, restoring smooth engine performance.
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4 comment(s)
adrianmayer1 (community.author)
Definitely more noticeable when cold. Haven't touched the spark plugs. Plugs the culprit? Or fuel injector issue?
idaguenther1
Worse when cold sounds like a fuel injector problem. I tried plugs first, no dice. Workshop confirmed defective injector. Get it checked ASAP! Replaced the injector and that fixed it. Cost me around 500€ all in.
adrianmayer1 (community.author)
Thanks for the insight! Sounds like I'm headed to the workshop. Injector replaced and all running smoothly now. Total cost was 515€. Thanks again!
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CITROEN
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DS4
idaguenther1
Similar issues with my DS4 a while back. Rough idle, check engine light. Worse when the engine is cold? Checked spark plugs recently?