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Author Topic: hard to start 2.5td  (Read 2521 times)

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dieseld4

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hard to start 2.5td
« on: 06 February 2010, 21:35:19 »
My 2.5td is hard to start especially when warm, does anyone know what is wrong?
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rustym95

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Re: hard to start 2.5td
« Reply #1 on: 06 February 2010, 21:47:10 »
might be a breather problem, or fuel pump going.
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Turk

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Re: hard to start 2.5td
« Reply #2 on: 06 February 2010, 21:49:17 »
Next time it won't start, pour cold water over the injection pump to cool it. If it starts, your temp sensor is at fault.
Are you getting code 64 ? 
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dieseld4

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Re: hard to start 2.5td
« Reply #3 on: 06 February 2010, 21:53:36 »
how do I get find out if it is code 64? paper clip test?
where is the temperture sensor located?

Thanks for your help
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dieseld4

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Re: hard to start 2.5td
« Reply #4 on: 06 February 2010, 21:56:38 »
breather problem? what you mean? it would need a new filter?
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Seth

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Re: hard to start 2.5td
« Reply #5 on: 06 February 2010, 22:32:17 »
Quote
how do I get find out if it is code 64? paper clip test?
where is the temperture sensor located?

Thanks for your help

It's located within the injection pump, and not user-serviceable.
However, there's a kit of electronic wizardry available to overcome the problem from Taw Valley 4x4.

Try a PM to Turk, as I'm sure he has the link.
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Psychoca

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Re: hard to start 2.5td
« Reply #6 on: 07 February 2010, 00:32:05 »
Paperclip test = http://www.omegaowners.com/forum/YaBB.pl?num=1189022687

Probably the same thing as referred to by Sethsmate, but, there is a relay that makes the engine always think its a cold start, then after a few seconds give the proper engine temparature, they run at about 30 quid... 
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hoofing it

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Re: hard to start 2.5td
« Reply #7 on: 07 February 2010, 10:54:54 »
This hot start problem is a common fault with these engines both vauxhall and bmw.
mine does it worse in the summer nothing to worry about.
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TheBoy

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Re: hard to start 2.5td
« Reply #8 on: 07 February 2010, 11:02:07 »
I thought some of the performance chips overcame this as well?

Rumour has it that the sensor is replaceable, but I reckon it would be 'challenging'
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dieseld4

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Re: hard to start 2.5td
« Reply #9 on: 07 February 2010, 11:19:02 »
where do i find this relay, or is there a name for it?
the car is chipped. Its just embarrassing when the car take a while to start in a public place and everyone gets covered in a puff of diesel smoke ;D

I'm breaking a few omegas so I have lots a spares to try things out
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Seth

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Re: hard to start 2.5td
« Reply #10 on: 07 February 2010, 11:29:35 »
Quote
where do i find this relay, or is there a name for it?
the car is chipped. Its just embarrassing when the car take a while to start in a public place and everyone gets covered in a puff of diesel smoke ;D

I'm breaking a few omegas so I have lots a spares to try things out

The relay is the aftermarket modification that I've already spoken about.

From memory, it's available from Taw Valley 4x4 - think it's also on Ebay.
You could try a Google search!
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Psychoca

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Re: hard to start 2.5td
« Reply #11 on: 07 February 2010, 12:11:35 »
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Seth

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Re: hard to start 2.5td
« Reply #12 on: 07 February 2010, 13:35:18 »
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raywilb

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Re: hard to start 2.5td
« Reply #13 on: 07 February 2010, 14:29:33 »
i v,e a hotstart fix job fitted, but i think i,m  right in saying we are prone to a lazy starter motor prob that prevents it from starting, especially when warm. :y
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Psychoca

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Re: hard to start 2.5td
« Reply #14 on: 07 February 2010, 16:47:20 »
I know that when I changed my starter, it helped with the hot start, but certainliy not a cure.  The other thing is, if your cranking the engine over and over on the starter, you end up cooking the starter if you're not careful...
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