Just now, froggy8 said:

i dont want to jinx myself but everything runs spot on. ( touch wood )  

 

Good. My original question was aimed at sorting out the non start issue of the OP but the thread got a bit derailed. 

apart from the power steering fluid leaking, that is about it.

i have only just noticed, the OP has got mk1, mine is mk2. 

3 minutes ago, froggy8 said:

i dont want to jinx myself but everything runs spot on. ( touch wood )  

sorry but i did have it on my bedroom drawers but it was stinking the house out so decided to throw it.

 

I meant the OP. Getting confusing in here. Haha

sorry guys and sorry OP. i will keep my mouth shut now  

4 minutes ago, froggy8 said:

i have only just noticed, the OP has got mk1, mine is mk2. 

 

🤦🏻‍♂️

OP speaking. 😁

 

It does say 3 bar on the enclosure of the old one but there are no removable parts. Before I started the work, I took a look on the new one, this removable bit seems to be only a connector, not capable of reducing pressure so I'm sure you can put the regulator in there if you have one. It stopped raining so I'll try to swap the lines on the "in" side and refit the original filter to see how it goes. Battery allowing.

I have a feeling you've fitted a filter with a pressure regulator when the old one didn't have one. The part you say is just a connector is surely the regulator?

Oh maybe not. Further reading seems to suggest that the EFF129 has no regulator.

 

 

Edited 18 August, 20196 yr by TMB

I'm sure there was perfectly nothing in this part, it looked like a little funnel. But it was the size and shape of a regulator so I'll guess it was sort of a placeholder of a regulator so the filter still works without one.

 

I went to the car, swapped the lines and drained half pint of fuel through the bleed valve on the rail. No joy.

After that, I filled up the old filter with fuel from a syringe and installed it back in. Gave it a little purge with the fuel pump, of maybe two capacities' worth of petrol and popped everything back together. Then ran about a pint of fuel from the injector bleed valve. Still nothing!

 

Random theory: what if there was some unwanted material inside the filter which made it into the injectors to block them? How possible / testable is it?

 

Do we have any favourite/safe ways to check if the spark is there?

 

I wonder if the attempts to fire it up after the filter replacement just ruined some part that was due for service anyway.

 

Another issue is, my battery is not doing so well. I could buy a charger but do you think you can' just unplug Fabia for a day without losing immobilizer data and stuff or breaking it in any other way? Is it viable to buy an extra battery just for that purpose? Or can someone give me a jump start in LS12? I have some really nice coffee to try

2 hours ago, sepulchrave said:

Something obviously isn't right, try swapping the send and return lines round.

 

Did this get lost in all the off-topic babble or have you tried it?

Just now, sepulchrave said:

 

Did this get lost in all the off-topic babble or have you tried it?

 

Yes, I swapped them around and generously purged the injector bleed valve but it unfortunately didn't help. It seemed to actually reduce the pressure on the line so I'd say the connection was correct in the first place. After that I refitted the old filter but still nothing.

Ok, that's fine, is it even firing or just spinning over?

Just spinning, I didn't get a single combustion rev from the moment I parked it up for the filter replacement.

42 minutes ago, 1200cc said:

 so I'll guess it was sort of a placeholder of a regulator so the filter still works without one.

 

 

 

Yeah, thinking the same thing.

Is the pump making the priming noise when you turn the IGN on?

Is there plenty of petrol in the tank?

 

I cannot think of anything else that you've done that could cause this issue unless the immobiliser is preventing it from being started.

3 minutes ago, sepulchrave said:

Is there plenty of petrol in the tank?

 

I cannot think of anything else that you've done that could cause this issue unless the immobiliser is preventing it from being started.

 

Even then, they usually run for a few seconds before cutting out.

There is enough fuel and the pump does condition the line and seems healthy. I also know that the injectors are getting plenty of pressurised fuel without obvious air bubbles. I can use the fuel pump to run a pint of fuel through injectors bleed valve in maybe 20 sec.

 

Good point with the immobilizer, it is dead the immo style but I am not getting the immobilizer light so it’s not our issue.

Edited 18 August, 20196 yr by 1200cc

Do you have a code reader? maybe this weirdness is a result of a mere coincidence and something else has failed also?

 

Yes, I checked for errors today - none. Didn't get a MIL either. I'm sure that multiple unsuccessful starts are stressful for the engine so won't be surprised if something else gave up.

Edited 18 August, 20196 yr by 1200cc

I'm stumped then unless you've fitted a 4 bar regulator in place of 3 bar, in which case it's flooding and can't run.

Could you put the old filter back on and try it?

 

EDIT: Sorry, missed where you said you'd already done this.

Edited 18 August, 20196 yr by TMB

That's a good point with pressure regulation there. I do have slightly wet spark plugs but the engine doesn't smell of petrol so I assume it would suggest injectors maybe work and it's perhaps not flooded (but that's a wild guess)

 

6 minutes ago, TMB said:

Could you put the old filter back on and try it?

Yes, I installed the old one back indeed and made sure I bleed the line correctly with a lot of fuel. This didn't help which would suggest I actually broke something!

 

Unless the battery doesn't hold enough energy to produce the right spark? If the sound of starting motor sound fairly fast, can you assume the spark is about right? I will look into testing that too.

I would have thought it's producing a good enough spark if the engine is turning fast, yes.