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Author Topic: Slight trouble starting an Omega 2.5TD  (Read 1695 times)

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Road Hog Mad

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Slight trouble starting an Omega 2.5TD
« on: 03 April 2011, 18:20:04 »

my guess is the lift pump filter might be full of poo (http://www.omegaowners.com/forum/YaBB.pl?num=1251298222 as seen read here), I briefly looked at it through the inspection hole in the boot, unscrewed that took the fuel lines off and it appeared clean just by looking at it. No doubt the filter at the bottom could be full of cack, but the heavens opened and I just left it.

Or, the odd glow plug might not be working, £20 off flebay, but I don't think I have seen a guide for this.

The car started on the third attempt, ignition off/on and then loads of smoke wh
en it started

Seems to be running fine now, fuel level just below 20ltr.

Am I on the right track?
« Last Edit: 03 April 2011, 18:36:13 by pjwright »
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bigegg

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Re: Slight trouble starting an Omega 2.5TD
« Reply #1 on: 03 April 2011, 18:52:48 »

does the car start OK when the engine is hot?
A warm diesel will run without electricity as long as there is fuel.

in my experience of diesels (transit van admittedly)
most cold starting problems are caused by lack of power at the starter motor:
either duff starter
duff battery
duff alternator (not charging battery)

if it struggles to start when engine is warm, then check fuel supply.

chances are the smoke upon starting is just unburnt diesel from the previous attempts to start.



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mrgreen

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Re: Slight trouble starting an Omega 2.5TD
« Reply #2 on: 03 April 2011, 18:53:16 »

when i had a diesel and the cold start wasn't forthcoming it was always a glow plug and always loads of smoke on start up! when i suspected this problem i would relay the glow plugs a few times before trying to start..got there in the end
« Last Edit: 03 April 2011, 18:56:29 by mrgreen »
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mrgreen

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Re: Slight trouble starting an Omega 2.5TD
« Reply #3 on: 03 April 2011, 18:54:20 »

Quote
does the car start OK when the engine is hot?
A warm diesel will run without electricity as long as there is fuel.

in my experience of diesels (transit van admittedly)
most cold starting problems are caused by lack of power at the starter motor:
either duff starter
duff battery
duff alternator (not charging battery)

if it struggles to start when engine is warm, then check fuel supply.

chances are the smoke upon starting is just unburnt diesel from the previous attempts to start.



gotta say my tranny never had glow plugs much older style of diesel
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bigegg

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Re: Slight trouble starting an Omega 2.5TD
« Reply #4 on: 03 April 2011, 19:16:08 »

Quote
Quote
does the car start OK when the engine is hot?
A warm diesel will run without electricity as long as there is fuel.

in my experience of diesels (transit van admittedly)
most cold starting problems are caused by lack of power at the starter motor:
either duff starter
duff battery
duff alternator (not charging battery)

if it struggles to start when engine is warm, then check fuel supply.

chances are the smoke upon starting is just unburnt diesel from the previous attempts to start.



gotta say my tranny never had glow plugs much older style of diesel

mine was 19 years old  :)
 
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mrgreen

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Re: Slight trouble starting an Omega 2.5TD
« Reply #5 on: 03 April 2011, 19:27:35 »

Quote
Quote
Quote
does the car start OK when the engine is hot?
A warm diesel will run without electricity as long as there is fuel.

in my experience of diesels (transit van admittedly)
most cold starting problems are caused by lack of power at the starter motor:
either duff starter
duff battery
duff alternator (not charging battery)

if it struggles to start when engine is warm, then check fuel supply.

chances are the smoke upon starting is just unburnt diesel from the previous attempts to start.



gotta say my tranny never had glow plugs much older style of diesel

mine was 19 years old  :)
 
mine was 13 but probably still the 2.5!!! and the only problem with that ever stating was the lack of power!!lol
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Road Hog Mad

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Re: Slight trouble starting an Omega 2.5TD
« Reply #6 on: 03 April 2011, 19:34:08 »

Went to the petrol station and put £80 of diesel in to fill her up, took a few turns of the engine to start on a warm engine but not 3 attempts like before.

Based off memory it has been a bit spluttery starting on other days with various amounts of fuel in it. But not as bad as today, not been driven for 2 days.

The reason I got my mate to fill her up was to eliminate the lift pump, should not have a problem starting if the tank is full. Seems odd that it struggles to start but yet when driving it it is fine, power when you need it etc.

Now if it struggles to start tomorrow, i'd go for the glow plugs.
« Last Edit: 03 April 2011, 19:37:24 by pjwright »
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mrgreen

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Re: Slight trouble starting an Omega 2.5TD
« Reply #7 on: 03 April 2011, 20:10:24 »

gotta say if it was glow plugs it shouldn't have any problem starting from a warm motor!(correct me if i'm wrong) i maybe wrong but when i had glow plug problems it was only ever from cold starts and i geuss any diesel which turns over and doesn't start has the dirty oil burn off(hence black smoke!) but if it's doing it from warm i would say look to something else can't help anymore as i don't know alot about diesels but i do know that diesels generally with glow plugs only need them for the first starts and not if the motor's warm (but saying that i maybe totally wrong and all you need is glow plugs :-/) hope you get it sorted on diesels glow plugs are usually the main contenders for non starters!
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Road Hog Mad

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Re: Slight trouble starting an Omega 2.5TD
« Reply #8 on: 03 April 2011, 20:29:56 »

yeah the engine turns a few times and it starts from warm, just seems cold is the problem, as said above filled her up so gonna see what she does tomorrow.
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Omegatoy

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Re: Slight trouble starting an Omega 2.5TD
« Reply #9 on: 03 April 2011, 21:11:28 »

I would go for glowplugs, then while in there would replace all leak off pipes(easier to do when manifold is off)including the long ones to pump and inlet manifold as all seem to get tired,
while there clean out inlet system,egr,and intercooler, then renew fuel filter and fil it with diesel magic, then see how it goes after all that bet it makes a difference!! :y

Road Hog Mad

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Re: Slight trouble starting an Omega 2.5TD
« Reply #10 on: 03 April 2011, 21:22:11 »

will do, also.. I have added to some redex to the full tank so will see how it goes, diesels are easy, this just needs some loving care lol.
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hoofing it

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Re: Slight trouble starting an Omega 2.5TD
« Reply #11 on: 03 April 2011, 21:58:56 »

Quote
will do, also.. I have added to some redex to the full tank so will see how it goes, diesels are easy, this just needs some loving care lol.
Don't use redex mate best to use FORTE diesel treatment
You can pick a bottle up for  £10.00 on e-bay.
Id be inclined to follow omegatoys advice or as you said in the original post.
p.s. replace air filter too :y
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Shackeng

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Re: Slight trouble starting an Omega 2.5TD
« Reply #12 on: 03 April 2011, 22:45:56 »

TD's also have a known warm start problem. There is a fix available, which IIRC is to solve a worn fuel pump. Do a search, as I'm off to bed for an early start. :y
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Road Hog Mad

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Re: Slight trouble starting an Omega 2.5TD
« Reply #13 on: 04 April 2011, 00:00:33 »

Quote
Quote
will do, also.. I have added to some redex to the full tank so will see how it goes, diesels are easy, this just needs some loving care lol.
Don't use redex mate best to use FORTE diesel treatment
You can pick a bottle up for  £10.00 on e-bay.
Id be inclined to follow omegatoys advice or as you said in the original post.
p.s. replace air filter too :y

i am sure they do all the same job???
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Road Hog Mad

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Re: Slight trouble starting an Omega 2.5TD
« Reply #14 on: 07 April 2011, 08:11:36 »

The last two / three days it has started no problem, so I am led to believe that lift pump filter maybe full of cack.
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