Technical Doblo 1.3 Diesel Non Start

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Technical Doblo 1.3 Diesel Non Start

jjkaaas

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Hi,


In desperate need of advice, have a 2005 Doblo 1.3 diesel, will only start with easy start, once started will run fine and drives fine. Once vehicle has been switched off will not start again until the use of easy start.


Have replaced: fuel filter, crankshaft sensor, fuel pressure regulator.


Have checked battery, fuel to filter, injectors, fuel rail sensor readings, fuel level, high pressure fuel pump, fuses/relays.


No diagnostic fault codes detected.


Any advice on what to check or what would it could be that is stopping it from starting.


Many thanks in advance for your replies.


jjkaaas
 
Hi,


In desperate need of advice, have a 2005 Doblo 1.3 diesel, will only start with easy start, once started will run fine and drives fine. Once vehicle has been switched off will not start again until the use of easy start.


Have replaced: fuel filter, crankshaft sensor, fuel pressure regulator.


Have checked battery, fuel to filter, injectors, fuel rail sensor readings, fuel level, high pressure fuel pump, fuses/relays.


No diagnostic fault codes detected.


Any advice on what to check or what would it could be that is stopping it from starting.


Many thanks in advance for your replies.


jjkaaas

so what fuel rail pressures are you now seeing..??;)
 
Hi,


Thank you for your replies.


Glow plugs are OK.


Fuel rail pressure sensor readings:-


Non start
Black 2.9MV
Yellow .504V
Red 5.0V


Once started
Black 12.8MV
Yellow 1.151V
Red 5.0V


Have checked again this morning, will only start with a squirt of easy start!
 
Hi,


Thank you for your replies.


Glow plugs are OK.


Fuel rail pressure sensor readings:-


Non start
Black 2.9MV
Yellow .504V
Red 5.0V


Once started
Black 12.8MV
Yellow 1.151V
Red 5.0V


Have checked again this morning, will only start with a squirt of easy start!

See IF itll towstart when cold..
If so its low rail pressure..boosted by higher rpm
 
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