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Old 04-08-2009   #1
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Multijet starting

Does anyone else's multijet sometimes start a bit, rough? Like it hasn't built up enough diesel pressure to start smootly. I find giving it a few seconds beyond the glow plug light makes for a much smoother start.

Then again it is nearly at 36,000 miles so perhaps the diesel filter is full of crud!
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Old 04-08-2009   #2
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Re: Multijet starting

My 1.9 Mjet 120 starts fine from cold first thing in the morning, and when hot. However, a cold start on a warm afternoon can be less good. I think the glow plugs think the engine is warmer than it is, and cut out earlier. Try waiting for the glow plug light to go out, switch of, and then try to start.
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Old 04-08-2009   #3
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Re: Multijet starting

Yup I think you've described it. I usually just give it 2-3 seconds extra after the lights go out then turn to start... works like a charm.
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Old 04-08-2009   #4
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Re: Multijet starting

Yes ours does something similar, the engine sort of lurches (hard to describe!). Its getting a new diesel filter in 2 weeks so will monitor after that!
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Old 04-08-2009   #5
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Re: Multijet starting

I hear a loud bang when I start it in the morning.

double ingnition turning fixes it partly.
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Old 04-08-2009   #6
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Re: Multijet starting

Arrr, I never wait for the light go out, the car starts fine though, would it casue any damage??
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Old 04-08-2009   #7
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Re: Multijet starting

Think I have posted this before but my multijet doesn't like starting straight from the glow-plug warm up, it knocks quite badly sometimes. I get round this by turning the ignition on to warm the glow-plugs, and listen for the fuel pump to stop whirring. Starts up smoothly every time!
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Old 04-08-2009   #8
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Re: Multijet starting

Quote Originally Posted by Stilo Stew View Post
Think I have posted this before but my multijet doesn't like starting straight from the glow-plug warm up, it knocks quite badly sometimes. I get round this by turning the ignition on to warm the glow-plugs, and listen for the fuel pump to stop whirring. Starts up smoothly every time!

I think you find that the glow plugs have a temperature sensor and will not come on with these sort of outdoor temperatures we having, The engines are so good they hardly use them even in the winter!!
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Old 05-08-2009   #9
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Re: Multijet starting

Glow plugs still come on in this weather, but the pre-heat period will be reduced. There is also after-heating.
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Old 05-08-2009   #10
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Re: Multijet starting

After-heating?????

To quote the manual:

"Turn the ignition key to AVV as soon as the warning light turns off. If you wait too long you will lose the benefit of the glow plugs. Release the key as soon as the engine starts"
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Old 05-08-2009   #11
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Re: Multijet starting

Hmmm maybe I'm remembering things wrong. Something in the blurb for Bosch Duraterms.
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Old 05-08-2009   #12
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Re: Multijet starting

Quote Originally Posted by Hellcat View Post
Does anyone else's multijet sometimes start a bit, rough? Like it hasn't built up enough diesel pressure to start smootly. I find giving it a few seconds beyond the glow plug light makes for a much smoother start.

Then again it is nearly at 36,000 miles so perhaps the diesel filter is full of crud!
Mine is similar - it kind of lurches into life (with a noticeable puff of smoke) but always starts first time though.

I tend to wait for the 'whirring' to stop and then turn the key which makes for an easier start and no excess smoke.
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Old 05-08-2009   #13
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Re: Multijet starting

If you turn the key when the fuel gauge starts to move then it's smooth.
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Old 06-08-2009   #14
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Re: Multijet starting

mine was doing knocking/banging/virbrating so i replaced the lower link rod that goes from the bottom of the gearbox to the subframe and its been fine ever since
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Old 06-08-2009   #15
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Re: Multijet starting

Quote Originally Posted by Hellcat View Post
Does anyone else's multijet sometimes start a bit, rough? Like it hasn't built up enough diesel pressure to start smootly. I find giving it a few seconds beyond the glow plug light makes for a much smoother start.

Then again it is nearly at 36,000 miles so perhaps the diesel filter is full of crud!
Have a look in the Grande Punto section. I for one have problems starting my Mjet sporting.
Perhaps similar issues?
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Last edited by ghsaunders40; 06-08-2009 at 22:32.
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