josephthunder2

Civic rough cold start

Hey, I'm having trouble with my 2015 Honda Civic (gasoline engine). It's got about 143k km on it. Lately, it's been starting really poorly, especially when it's cold. The engine runs really rough in the first few minutes after starting. Any ideas what could be causing this?

A 2015 Honda Civic is experiencing rough starts, particularly in cold conditions. The issue is suspected to be related to the fuel system, with suggestions to check or clean the fuel injectors. After consulting a workshop, the problem was identified as a faulty cold start injector, confirming the initial suspicion.

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4 comment(s)

Sounds familiar. I had a similar issue with my old Renault Megane, a diesel though. Rough idle and difficult starts when cold. Have you checked the fuel system at all? Maybe try an injector test or even just a fuel injector cleaner?

Thanks for the tip! I haven't tried anything yet, to be honest. Where would I even start with an injector test? Is that something I can do myself, or do I need special equipment?

Testing them properly requires some gear. My Megane was doing the same thing and I was hoping a clean would sort it, but it turned out to be a faulty injector valve. I ended up having to take it to a shop to get it sorted. Cost a few quid to diagnose. I'd go straight to a trustworthy workshop instead of fiddling around.

Appreciate the advice! Took it to the shop, and you were spot on – faulty cold start injector. Quoted 515€ for the repair. Thanks for pointing me in the right direction!

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HONDA

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CIVIC