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simonmaier2

Ford Ka cold start issue

Having trouble with my 2007 Ford Ka, gasoline engine. It's got 85091 km on the clock. Lately, it's been difficult to start, and runs very poorly during the cold start phase. Could it be a fuel issue? I've checked the fuel pump relay and it seems fine.

Summary of the thread

A 2007 Ford Ka with 85091 km is experiencing difficulty starting and poor performance during cold starts. The issue is suspected to be related to fuel delivery, specifically pointing towards a potential problem with the cold start injector. It is suggested to check the fuel rail pressure using a fuel pressure testing kit. Ultimately, a workshop confirms the problem as a defective cold start injector, which is then repaired, resolving the issue.

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4 comment(s)

nina_nacht1

Hard starting and poor running when cold definitely points towards a fuel delivery issue. Since it's only during cold starts, have you considered the cold start injector? Do you know if the fuel rail is getting proper pressure when the engine is cold?

simonmaier2 (community.author)

Thanks for the quick reply! The cold start injector... that's a good point. I am not sure about the fuel rail pressure. How would I go about checking the fuel rail pressure accurately during a cold start? Is there a specific tool I need?

nina_nacht1

You'd need a fuel pressure testing kit to check the pressure at the rail. Given the symptoms and the age of the car, a defective injector is a strong possibility. It might be best to take it to a workshop. They'll be able to diagnose it properly and replace the injector if necessary. I hope this helps.

simonmaier2 (community.author)

Thanks a lot for your advice! I took your suggestion and brought it to a trusted workshop. They confirmed it was indeed a defective cold start injector, just like you suspected. The repairs including labor and parts ended up costing 515€. Runs like new now!

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FORD

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KA