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300tdi cold starting problems


Frank
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Darren

 

300Tdi's are excellent starters and start even without heater plugs

 

If you have a slightly tired engine then heat will be needed

 

First of all check the heater plugs are working then check that they get the full amperage of juice

 

You can have voltage getting to the plugs but if theres a dodgey relay you may not get the ampage you need.

 

Best way is to connect a charged battery directly to the heater plugs for 10 seconds then get someone to crank it whilst still holding the connection onto the plugs, this will illiminate any faulty relays etc

 

If the plugs are fine and the current is flowing to them then I'd start on the fuel side of things, one thing landys are bad for is people pee'ing about with the injector pumps trying to get more power

 

First of all undo the fuel supply to the injector pump and check fuel is being supplied "under pressure" if it is then I'd whip off the injector pump and stick it in for calibration.

 

Ring us if you need :thumbup1:

 

Yeah I may need to ring you 2moro then. Have a second fully charged battery but don't know where you mean as to hold it on to???? Would it be easy to just replace heater plugs, fuses, relays etc??

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Buggered if I know, I'm letting my mechanic sort it out. Cant be bothered with stuff like that anymore so I'll cut the tree's and he can look after me motors.....

 

Is your battery light glowing dimly on the dashboard whilst driving? Does it go out when the squealing stops?

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Perished injector bleed off hoses?

 

Short hoses that connect the injectors and return any unrequired fuel to the diesel tank.After about 10 years these fail allowing air to get into the fuel system making starting difficult.

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