Car starts sometimes sometimes needs jump start

2004 Vauxhall Zafira 2.0 TDi
Car: Vauxhall Zafira
Year: 2004
Variant: 2.0 TDi
Categories: Electrics, ECU, Warnings & Lights
i have a zafira for the past 3 years it was fine until 2 years ago an now the car sometimes starts and sometimes dosnt it requires a jump start and even that isnt straight forward and takes a while
iv had battery replaced
and a few other things and have taken it to a few mechanics who cant seem to find the problem
when you turn the key the engine is trying to start but the diesel dosnt go through to the engine for some odd reason
maybe its something to do with the key? (my friend suggested it)
any suggestions would be appreciated
thank you
Problem added: Jan 6, 2012 (12 years ago)
things to look at would be glow plugs, fuel filter, for contaminants ie water dirt or metal particals, leak off pipes and check injectors for excessive leak off
Answered Jan 6, 2012 (12 years ago)

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