Omega Owners Forum
Chat Area => General Discussion Area => Topic started by: JamesV6CDX on 03 February 2009, 11:05:43
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I'm broken down, away from home, in my 3.9 EFi. Here's the score...
Last night, went for a play in the snow with the beast (would have been rude not to!). She ran like a dream, all night. Today, I started her up this morning to go to work and she started first time as usual.
I pressed the throttle to move away.. and splut splut.... she died, and now will not restart.
I put a can of petrol in, I can smell fuel at the engine, and I can see the plugs are wet with petrol so I don't think it's that.
I've pulled a couple of plugs, checked for spark, and they ARE sparking, but the spark looks quite weak.
It's NEARLY starting, it just won't quite catch.
I've checked all fuses, all seems OK.
I've very limited tools here, anyone have any ideas of where to turn?
If it's relevent, she's always hesitated a LITTLE bit when pressing the gas from cold, and it's slowly got worse - I wonder if something's finally let go? Ignition Module crossed my mind...
Ideas welcome please :y
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mate of mine had similar prob with his disco,turned out to be his fuel pump relay.
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Got £100 here for it James as it is a none runner :D
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James... I had the same with my 3.5EFi after a holiday. I gave in and changed the plugs for new ones and away it went... In fact, it ran better than ever!!!
RR are quite fussy about plugs so if they're not brand spanking I'd stick new ones in :y :y
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Usual suspect on the 3.9 is the amplifier....but coil and dizzy plus rotor arm are also not the greatest!
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Usual suspect on the 3.9 is the amplifier....but coil and dizzy plus rotor arm are also not the greatest!
Would it just suddenly stop, though? :-/
Seems odd it runs one min, and then not the next :-/
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Usual suspect on the 3.9 is the amplifier....but coil and dizzy plus rotor arm are also not the greatest!
Would it just suddenly stop, though? :-/
Seems odd it runs one min, and then not the next :-/
Yep!
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Got £100 here for it James as it is a none runner :D
I'll give you £110 :D
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Usual suspect on the 3.9 is the amplifier....but coil and dizzy plus rotor arm are also not the greatest!
Would it just suddenly stop, though? :-/
Seems odd it runs one min, and then not the next :-/
Yep!
Any way I can test the current one?
You always say don't replace suspect parts without proving them :y
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Not easily.
All you can do is inspect the rotor arm and dizzy cap and check the rotor arm mount in the dizzy for slop.
You sadly have the later ignition setup (Lucas Limb 35DLM8) with the side mount amp....these are prone to failure due to heat and bloody awful for reliability!
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Not easily.
All you can do is inspect the rotor arm and dizzy cap and check the rotor arm mount in the dizzy for slop.
You sadly have the later ignition setup (Lucas Limb 35DLM8) with the side mount amp....these are prone to failure due to heat and bloody awful for reliability!
there is definately fuel getting through - just loosened a couple of plugs and it bellows outta the gaps ;D
There is also compression
it's definately a spark issue.. I've tried another coil, to no avail.
Interestingly though, when sparking a plug directly off the coil, it doesn't seem consistent - and this is before the amplifier.. :-/
Inside the dizzy looks as new, and no slop at all in the rotor arm.
Its just got to be plugs/leads/amplifier - or a combination
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As above James... Mine had the same setup and it was purely down to the plugs!
Is this LPG'd too or are you just running on expensive stuff?
If it's lpg'd too I'd definitely stick new plugs in :y :y
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Not easily.
All you can do is inspect the rotor arm and dizzy cap and check the rotor arm mount in the dizzy for slop.
You sadly have the later ignition setup (Lucas Limb 35DLM8) with the side mount amp....these are prone to failure due to heat and bloody awful for reliability!
there is definately fuel getting through - just loosened a couple of plugs and it bellows outta the gaps ;D
There is also compression
it's definately a spark issue.. I've tried another coil, to no avail.
Interestingly though, when sparking a plug directly off the coil, it doesn't seem consistent - and this is before the amplifier.. :-/
Inside the dizzy looks as new, and no slop at all in the rotor arm.
Its just got to be plugs/leads/amplifier - or a combination
Dont get yah....how can it be before the amp when that switches the LT neg side of the coil?
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May or may not be relevant James, but check the airgap in the dizzy!!
many people dont as they dont know it should be set, cant remember the gap offhand but it usually gets to big to promote proper sparks
bought 2 motors for peanuts cos they wouldnt start, paid the money borrowed a screwdriver and reset the airgap, and drove away in them!!! worth a try mate!!! :y
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I suppose you've given it a good dose of WD40? It is rather damp.
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
That would not cover the fuel cost of getting it to you....
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
That would not cover the fuel cost of getting it to you....
Don't worry about the fuel :) £200 for a spare and repair just about running RR is about right :y
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
Keep trying ;D
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
Keep trying ;D
£190 :D
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Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
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Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
:y
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Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
Timing?
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(http://i248.photobucket.com/albums/gg174/r0x0rz1337/startyabastard.jpg) :y
Doug
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Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
Timing?
It only did it after the starting issue, never before, so I guess the timing wouldn't have changed.
The plug/lead change sorted it though Broocie :y
I can only put the original non starting down to a poor connection to the ignition amplifier caused by the nasty weather - it roared into life as soon as I re-seated the connector!
That's the great thing about these engines, they're generally nice and simple :y
Edit to add - I would have checked the timing while I was at it - if I hadn't have stood on the strobe and broke it :-[
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Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
Timing?
It only did it after the starting issue, never before, so I guess the timing wouldn't have changed.
The plug/lead change sorted it though Broocie :y
I can only put the original non starting down to a poor connection to the ignition amplifier caused by the nasty weather - it roared into life as soon as I re-seated the connector!
That's the great thing about these engines, they're generally nice and simple :y
Edit to add - I would have checked the timing while I was at it - if I hadn't have stood on the strobe and broke it :-[
TBH strobe's are useless on these... The timing marks on the case have been known to be up to 6 degrees out :o :o ::) ::)
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I suppose you've given it a good dose of WD40? It is rather damp.
Right - update
I re-seated the connector on the ignition amplifier - and it fired up without hesitation.
The leads and plugs look old, so I've got new ones to fit in a mo
Watch this space - fingers crossed :y
£200 if its running? :D
Keep trying ;D
£190 :D
£180 :D
-
Just changed plugs and leads. ~All 8 of em! No more backfire, and more responsive...
Be interesting to see what the cold morning brings.... but so far so good :y
Timing?
It only did it after the starting issue, never before, so I guess the timing wouldn't have changed.
The plug/lead change sorted it though Broocie :y
I can only put the original non starting down to a poor connection to the ignition amplifier caused by the nasty weather - it roared into life as soon as I re-seated the connector!
That's the great thing about these engines, they're generally nice and simple :y
Edit to add - I would have checked the timing while I was at it - if I hadn't have stood on the strobe and broke it :-[
TBH strobe's are useless on these... The timing marks on the case have been known to be up to 6 degrees out :o :o ::) ::)
And the chain will be loose and stretched to the point where it will dance around like Loo Knee on a dance floor