lefteris eleftheriou

every morning starting problem

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hi all.first of all sorry for my english

i have one toyota corolla d4d diesel 1.4 l

my problems started before 1-2 months when the weather started cold

today i try to start the 5:00 the monring the car crank but not start and i try again 11:00 o clock the car crank and after few times started .

every morning my car crank but not starting. if the car start after everything is perfect. i have change Battery,check the fuel pump, i disconnect the fuel pump filter but the same problem

i dont know if any senson from my car make his problem

please help me

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Check the glow plugs

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In these temperatures I don't think glow plugs are a problem, IIRC they only start working at 5 degrees or so.

If the pump has been checked (who did it and how?) and the fuel filter replaced/bypassed, I'd say:

 

SCV valves, especially in this weather

Injectors

Timing

 

Any other symptoms like poor mpg, white smoke, clatter/knock especially when engine is hot?

What happens if you do this:

Turn the key to ON position, but DO NOT crank the engine.

Wait in this position around 20 seconds

Then turn the key to completely off.

Turn the key to ON and wait until the glowplug symbol disappears. Then crank.

 

If it starts at first or even an improvement then I'd say check the injectors, shouldn't cost too much to see the values on a computer although it doesn't mean injectors are good.

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I will check this tomorrow morning. 

Little white smoke nothing else when the engine is hot. 

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Check the egr valve. Common diesel problem. Also, DPF if it has one. There are cleaners for both.

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