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Another cold start question
I have an '05 with about 160k miles. Lately with the colder weather I have noticed it runs a bit rough after starting. It starts right away (maybe 2-3 seconds) after letting glow plugs warm up, but then after starting it will sputter a bit for maybe 10-15 seconds before smoothing out. Seems to start fine when plugged in. Seems to start ok down to about 30 degrees then gets worse as it gets colder out.
I have new Alliant injectors AP60901, fuel filters, oil change with Ford 10w30 conventional, and blue spring upgrade within the last 500km. FICM shows 47 to 47.5 whether starting or running according to my scanguage and no codes.
I am not sure what else to check. Could it be glowplug issue?