Cold Start Issue

jimihat

Member
:
Mazda CX5 Sport 2.2d (175) Nav Auto AWD
Hi All

For the last few days I've been having a few troubles starting the car when the engine is cold. It starts on the button but is very lumpy and feels like it'll stall, after a few seconds all is fine and it runs without fault. This does not happen once the engine is warm. I've had the car for over a year and have covered 26,000 miles without this happening; the weather isn't even particularly cold here at the moment and this problem didn't exist even when it was.

Any ideas?

Thanks

Jim
 
I not familiar with the mazda diesel engines, but I had vw diesels for nearly 20 years. The only time I've ever had idle issues was when I had one faulty glow plug and another time when I had a small vacuum leak. The glow plug issue would go away once the engine was up to temperature. The vacuum would cause the car to go into limp mode under hard acceleration and idle would fluctuate.
 
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