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76

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 31 May 2017, 17:59:48 »

How much bother would this be to fit after removing the cover plate and big plastic sealing ring?

https://www.worldcarparts.co.uk/fuel-pump-for-vauxhall-astra-corsa-vectra-carlton-cavalier-omega-zafira

It's no different to fitting a traditional electric fuel pump.


The 'hard' part is undoing the plastic locking ring to remove the pump/float assembly.

Yeah, I've done a few of them and can vouch for that. Was thinking of trying to make a tool of sorts to grab either side of the ring. Maybe an old pair of garden shears with a few angle grinder alterations.

However, Terry's comments on weak fuel pumps are interesting.

Gonna change the filter, get the wife to turn the ignition on to see what kind of pressure the fuel pump is giving and go from there.

Filter done. Not too bad a job with the cable clip pliers. Car definately running better, nice smooth tickover with no variation in revs like it used to. Hope this is the cure...Time will tell 

77

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 24 May 2017, 07:13:15 »

How much bother would this be to fit after removing the cover plate and big plastic sealing ring?

https://www.worldcarparts.co.uk/fuel-pump-for-vauxhall-astra-corsa-vectra-carlton-cavalier-omega-zafira

It's no different to fitting a traditional electric fuel pump.


The 'hard' part is undoing the plastic locking ring to remove the pump/float assembly.

Yeah, I've done a few of them and can vouch for that. Was thinking of trying to make a tool of sorts to grab either side of the ring. Maybe an old pair of garden shears with a few angle grinder alterations.

However, Terry's comments on weak fuel pumps are interesting.

Gonna change the filter, get the wife to turn the ignition on to see what kind of pressure the fuel pump is giving and go from there.

78

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 22:06:56 »

How much bother would this be to fit after removing the cover plate and big plastic sealing ring?

https://www.worldcarparts.co.uk/fuel-pump-for-vauxhall-astra-corsa-vectra-carlton-cavalier-omega-zafira

79

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 21:45:17 »

I've done that before.  But it wasn't on this occasion.

80

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 21:30:46 »

Yep, I'm inclined to agree. When the car wouldn't start yesterday I inadvertantly did a false LPG start and the car ran fine. It appears to be petrol fuel related.

81

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 19:40:38 »

Good news and bad news.

False started on LPG. Engine ran.
I then put more petrol in so I am just under 1/2 full and car started on petrol.
Wish I'd tried first again on petrol before I did anything as it would have revealed more if the car started.
As it stands I guess it could still be crank sensor if no code is generated as now the car engine is cold. Although the last time the crank sensor failed, a code was generated.
No new codes generated

82

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 18:11:14 »

It's easier to check fuel feed by removing the feed pipe at manifold, then having wife crank engine while you point the pipe into a jar.
Is it possible you put in diesel, not petrol?

I'd like to try this. Is it obvious where the feed pipe at manifold is?

83

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 18:09:27 »

It's easier to check fuel feed by removing the feed pipe at manifold, then having wife crank engine while you point the pipe into a jar.
Is it possible you put in diesel, not petrol?

Only if station had wrong fuel in tank as receipt says unleaded.

84

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 18:07:30 »

Does it start ok if you false start it on LPG?

I think I did this and yes it was running okay until I turned it off again. How do you false start on LPG so I can try that again? The system is stag 300 plus.
I think as it was running okay on gas that maybe the crank sensor is okay.
I have been reading that LPG cars sometimes get a petrol pump failure due to running around with 1/4 tank of fuel.
New filter ordered and can get a new pump for £20 if necessary.

85

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 23 May 2017, 18:00:42 »

My money would be on crank sensor too.When you replaced yours a while back did you use genuine GM? or A.N.Other? I believe crank sensor failure doesn't always throw a code,others may be able to advise better on that.

It was OE, bosch I think

86

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 22 May 2017, 22:44:15 »

Just googled car not starting after refuel.

Found this regarding a vectra: Check the condition of your petrol filter under the rear drivers side wheel, if its rusty its probably got a slight leak and when you open the fuel cap you cause a air lock.

Will check it tomorrow. I guess a mechanical problem like this wouldn't generate a code but I would have thought I'd be able to smell fuel?

87

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 22 May 2017, 22:30:37 »

Crank sensor was replaced a couple years ago. Probably only about 10k done since.

88

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 22 May 2017, 22:29:33 »

Over 1/4 full tank. Funily enough I had only just put a bit more fuel in......surely not the reason? Duff fuel? Yes EML was removed by previous owner after LPG instal as it was continually on.

Which means the LPG installation is sub-standard and could (potentially) cause engine problems. 

As for the current problem, I'd put my 2p on Crank Sensor failing

Wouldn't that generate a code?

89

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 22 May 2017, 22:13:04 »

P1612 Immobiliser No Or Wrong Signal Immobiliser

This code had been generated but was no longer present. It didn't get regenerated once cleared. I could understand why the car wont start if there was an issue here

90

Omega General Help / Re: Car not starting. Code p0650 still present

« on: 22 May 2017, 22:08:34 »

Over 1/4 full tank. Funily enough I had only just put a bit more fuel in......surely not the reason? Duff fuel? Yes EML was removed by previous owner after LPG instal as it was continually on.