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76

Omega General Help / Re: Omega died halp quick!

« on: 29 June 2017, 15:39:53 »

Corrosion/dirt on the OBD socket/code reader plug

Well apparently it is grounded by one of the wires next to the coil pack, found that one loose as I suddenly saw increase in voltage when shaking things around.
Tighten them down and runs fine now... So weird that the ground connections still showed 12V but I guess when there was more load the voltage dropped due to bad connection so the ECU itself didn't get enough power...

All is well!

77

Omega General Help / Re: Omega died halp quick!

« on: 29 June 2017, 12:09:17 »

ECU is getting full 12V and all earth connections to the ECU plug also are fine yet ECU still only shows low voltage if/when I can connect to it...

78

Omega General Help / Re: Omega died halp quick!

« on: 27 June 2017, 07:07:53 »

Put a voltmeter across the battery, what have you got?

Plenty cause the car turns over just fine and every other ecu is getting 12V+

79

Omega General Help / Re: Omega died halp quick!

« on: 26 June 2017, 20:58:22 »

Basics first.

Check the battery.

Check the positive terminal cable crimps for security/ high resistance.

Keeping the power on for a while allows me to finally connect to the engine ecu with "My Naff Code Reader", everything else connects fine at all times. Engine ecu only shows like 9V coming to it so maybe its only a loose connection somewhere or something.

Tips are welcome where to look first.

80

Omega General Help / Omega died halp quick!

« on: 26 June 2017, 15:48:21 »

Just died under acceleration, check engine light is very dim and when I try to start the tach jumps to 2000 rpm instantly. Halp!

81

Omega General Help / Re: Hot

« on: 24 June 2017, 13:09:03 »

Potentially, depends on the specifics of the car in question...

Well its a 2004 1.6 Octavia if you have any idea, I could pm you and pick your brain a little?

Sorry, but not a car I would touch with yours...

Only things that spring to mind are:

Cap failed
Waterpump leak/weak having not been changed with cambelt
Heater matrix blocked/chemical sealant/sludge in system

All pretty standard coolant culprits, but couldn't tell you how susceptible that engine would be

New pump+timing stuff, new thermostat and still no flow to radiator really, bottom hose is cold... When upto temps, get hissing noise from the reservoir as pressure is escaping and little coolant loss too.

82

Omega General Help / Re: Hot

« on: 24 June 2017, 09:09:19 »

Potentially, depends on the specifics of the car in question...

Well its a 2004 1.6 Octavia if you have any idea, I could pm you and pick your brain a little?

83

Omega General Help / Re: Hot

« on: 23 June 2017, 18:42:15 »

I'll just make sure I keep coolant topped up. It was warm yesterday 

Do you have to regularly top up the coolant? There may lie your problem....
I've had V6 Omegas for 13 years now - in that time I've only had one which I have had to top up the coolant level, and that was only because the HBV was leaking. On all the others, the coolant level has always remained constant and never has needed topping up.

Expansion tanks split around the neck and caps fail, both allowing slow escape of pressure /coolant vapour

Im not talking about Omega but could a leaking coolant tank like that cause bad flow in a car? I mean if the pressure escapes so the coolant doesnt flow properly? Modern cars need pressure for proper flow everywhere right?

84

Omega General Help / Re: Hot

« on: 22 June 2017, 07:29:03 »

But remember that the dash temp gauge is rarely accurate, use OBD for actual correct temps. But then again, modern pressurized system with coolant in it can go to like 104-105C without boiling so I wouldnt worry about anything at 100C or less.

85

Omega General Help / Reverse engagement problems

« on: 19 June 2017, 20:39:28 »

Had this happen a few times when I go from Park to Reverse that nothing happens before I shift again. Then I got out of reverse while reversing up a hill.

So it sounds like low oil to me but I just checked and filled it recently so I'm not really sure what is causing this.

86

Omega General Help / O2 Sensor broken, again?

« on: 16 June 2017, 18:14:23 »

I floor it, both O2 sensors show rich for about 2 seconds and then the #1 Sensor takes a nosedive and shows almost a straight line for a while until it starts showing up as it should and I think it's definitely down on power.
Frickin Bosch O2 sensor are expensive, I could get a pair of these for a price of one Bosch but apparently it was not a good investment...

Unless people here got other ideas for this behavior but I think it's most likely the sensor itself.

87

Omega General Help / Re: Demist winter

« on: 16 June 2017, 06:51:07 »

90% of the time its the pollen filter that does this.

88

Omega General Help / Re: Starting problems

« on: 13 June 2017, 04:44:04 »

I swapped the coil pack + spark plug wires from my spare car for the driver side that had the leak and zero problems so far, all stuttering seems gone. Havent had any start problems yet atleast.

Change the camcover gaskets on the affected side, actually do both sides for the extra labour not involved, before you kill another pair of leads

Yeah I plan to, I was just really out of time and had to be on the road so couldnt finish the other side, had to do the wiring for the round coilpack there so took a bit longer to do it so it lasts longer than 100km.
It is really fast to do it anyway once you have done it a few times heh.

89

Omega General Help / Re: Starting problems

« on: 11 June 2017, 22:15:01 »

My car was having no start issues. I put a new fuel filter on and the improvement is remarkable. Just a thought. 

I replaced it like a month back so no cookie

90

Omega General Help / Re: Starting problems

« on: 10 June 2017, 18:29:12 »

Yeah the occasional start issues are still there it seems.