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+--- Thread: Cold start headache (/showthread.php?tid=18296)
Cold start headache - 306pc - 24-10-2013
Hi all.
I'm stuck as my car, after the Bosch conversion is really rough on a cold start. I've changed the lines and changed the injectors as I thought this may be the issue as i think it's air getting in the system over night. When it's warm it's fine. 100%. I don't run veg and the glow plugs are new(ish) I've got a hybrid turbo to go on but don't want to till this fuelling is sorted out. Any ideas chaps?
PC.
RE: Cold start headache - Piggy - 24-10-2013
so you think you getting air in?
could be leak off pipes or the connections to fuel filter housing.
if you prime it uo does it helo the starting?
RE: Cold start headache - andywhy - 24-10-2013
Could be the timing is slightly out on the pump or perhaps your glow plugs aren't all working?
RE: Cold start headache - Piggy - 24-10-2013
and its worth doing a resistance check on the plugs and a voltage check to rule them out
RE: Cold start headache - Jenkosowls - 24-10-2013
Timing won't be out to cause this while cold besides a conversion that I'v done will never leave me unless the timing is spot on.
Did you manage to sort the advance retard situation?
RE: Cold start headache - 306pc - 24-10-2013
The grenade doesn't get firm if I prime it.
RE: Cold start headache - Chris_90 - 24-10-2013
(24-10-2013, 12:01 PM)306pc Wrote: The grenade doesn't get firm if I prime it.
If it doesn't get Firm your gonna be leaking Fuel some were when you prime it, try to find that leak and sort it
RE: Cold start headache - 306pc - 24-10-2013
(24-10-2013, 12:13 PM)Chris_90 Wrote:and where the fuel is getting out air maybe getting in....(24-10-2013, 12:01 PM)306pc Wrote: The grenade doesn't get firm if I prime it.
If it doesn't get Firm your gonna be leaking Fuel some were when you prime it, try to find that leak and sort it
Cheers.
RE: Cold start headache - Jenkosowls - 24-10-2013
Did you ever use the grenade before? When we did the conversion may have upset the one way valve to which fuel can be draining back down the line in between long start up times
RE: Cold start headache - 306pc - 24-10-2013
(24-10-2013, 03:51 PM)Jenkosowls Wrote: Did you ever use the grenade before? When we did the conversion may have upset the one way valve to which fuel can be draining back down the line in between long start up times
I didn't prime it since I originally tuned the Lucas pump. Ill have a look at that too. You set for the turbo change soon jenks?
RE: Cold start headache - Jenkosowls - 24-10-2013
Yeah turbo change shouldn't be an issue matey
RE: Cold start headache - 306pc - 24-10-2013
Next Wednesday?
RE: Cold start headache - Chris_90 - 24-10-2013
(24-10-2013, 06:49 PM)306pc Wrote: Next Wednesday?
Mini meet? Lol if I'm not doing owt might pop up
RE: Cold start headache - 306pc - 24-10-2013
Jenks did your conversion didn't he Chris?
RE: Cold start headache - Chris_90 - 24-10-2013
(24-10-2013, 07:10 PM)306pc Wrote: Jenks did your conversion didn't he Chris?
He did, any thing I f**k up Jenks fixes lol messed up trying to tune my old pump he fixed it, couldn't time my 306 pump on my 106 he fixed that lol but I'm learning now
can change a turbo tho don't mind lending a hand/ just talking, as long as I'm not doing anything on that Wednesday
RE: Cold start headache - r3k1355 - 25-10-2013
Check/seal the common places:
Fuel filter housing lid - remove lid, clean with carb spray and apply silicone sealent to join
Fuel filter housing base - can get replacement O-rings for em
Fuel filter housing stat - the little white X in the bottom corner, the seals around the stat can go and leak air in - clean it up and goo the shit out of it.
Fuel priming grenade - rubber can perish and split and the OWV can go - replace it.
If you have a piece of clear fuel pipe between the filter housing and the pump you can see air bubbles entering the system if the problem is before the pump.
RE: Cold start headache - ginge191 - 25-10-2013
If you're leaking it will be post-grenade and will be enough to visually see if you're not priming at all..
RE: Cold start headache - 306pc - 25-10-2013
(25-10-2013, 09:56 AM)r3k1355 Wrote: Check/seal the common places:cheers pal, great information.
Fuel filter housing lid - remove lid, clean with carb spray and apply silicone sealent to join
Fuel filter housing base - can get replacement O-rings for em
Fuel filter housing stat - the little white X in the bottom corner, the seals around the stat can go and leak air in - clean it up and goo the shit out of it.
Fuel priming grenade - rubber can perish and split and the OWV can go - replace it.
If you have a piece of clear fuel pipe between the filter housing and the pump you can see air bubbles entering the system if the problem is before the pump.