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Update: First mechanic gave up, didnt understand the issue and moved me on (didnt charge me after feeling confident he could fix it), spoke to another mechanic he recommened me too and his ghosting me after i explained the issue. Looks like im on my own or someone can recommend me a mechanic...

Wow! thanks for your reply and the big write up. much apreciated. Im getting the car dropped off to a electrical/mechanic with a dyno and his going to try and diagnose it. I'll keep you updated about the finds!

Thanks for the explanation on the HPFP If this is the case, would you expect the oil to rise fairly fast on the dip stick? Last time I checked oil (just before we dumped it for Injectors) the oil It was between add and full and with about 7500km of driving. I can think back at least 8 months...

**** part is, it's brand new oil after we did the injectors. Cant believe the issue is still present after spending all that money on genuine injectors.

Thanks mate. Just 1 more thing, since injectors have been replaced and there's no possible leaking from them. It would have to be all the excess fuel in the rails leaking past the pistons after the cars sat overnight? Or can fuel get past pistons unburnt while car is running? I believe this...

Thanks for the reply! I will mention this when i get my car looked at, would you expect this to be the case if the engine is warmed up while driving around? It seems as if driving with regular start stops the LTFT and STFT seem pretty normal, even after driving for 30 minutes. Just seems to...

Hi all! I am desperate for some ideas and help 2013 LFX 3.6 185xxx always used 98 octane and serviced always. Iv started to experience a strange issue that arises when im idling for some time with the engine already at operating temp. The LTFT on both banks just sits at -35% and dumps fuel into...

not that i know of man. I believe you have a evap issue, surly the fuel pump and system is fine. The cars are pretty new, but i read evap goes shitty after 100 - 140ks so im not sure haha

Yeah my 2013 sv6 z series, i got it at 60,000k its now got 120,000, The only thing i have noticed that has changed it the time it takes to crank. sometimes now it cranks for a second longer. Not sure what that is from but yeah, the car drives the same as when i got it.

The SIDI LFX engine only lasts 240,000 ??? what lol aha

So i replaced the EVAP valve with a new one and my Long term trims have fixed them selves, back within 5% margin. at first they were still 20% but i think the car had to re-adjust. After a minute they dropped below 5%. My old EVAP i can sorta blow through it with some fair effort, or should it...

So i replaced the EVAP valve with a new one and my Long term trims have fixed them selves, back within 5% margin. at first they were still 20% but i think the car had to re-adjust. After a minute they dropped below 5%. My old EVAP i can sorta blow through it with some fair effort, or should it...

I'm curious to your issue, it wouldn't of been surprised if we had the same issue as i have heard purge valves are common to fail. Would really love to find out what you're issue is. Does not being able to blow through the purge valve indicate a good valve?

Im not sure, all i know is the LTFT were within 5% margin to 0 when i blocked of manifold. Soon as i put the purge valve back in, it wasnt long before the LTFT were playing up again, got up to 35% I damn well hope once i put a new purge valve in it fixes the issue, fingers crossed

Mate, i blocked it off and its fixed my LTFT by ALOT, bank 1 is now -5 % and bank 2 is roughly 2% The idle is now smooth and i cannot tell that there is anything wrong with the car now. As soon as i plugged the Purge valve back in, i gave the car a few revs up to 2k rpm then let off to idle...

I also notice the LTFT rises mostly when the car is at idle, What would cause this?

Hey mate, has the issue gone away completely ? I am getting the same issue, hoping its the same thing that needs replacing, Cheers

Hey again, i was reading it may be a faulty Purge Valve that could be causing it ? If i clear the code, it comes back generally when the car is idling for a long time, thats when the idle drops and corrects. very strange

Hey mate, i have a Z series 2013, i am having the EXACT same issue, both bank 1 and 2. i noticed a slight drop in idle and it corrects itself. Varies maybe 50rpm then corrects. this only happens when the A/C is off and the RPM idle is alittle lower. I am keen to find out what this issue is, I...

Not the center part, an idiot would know how to do that haha. Im talking around the surround parts that are held down with the 4 hook looking things.

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Hey guys, just wondering how do i remove the floor out of a wagon. the 4 hook thingys on each corner of the floor seems to hold it down. Does anyone have pics or can tell me how to take the whole floor out. Thanks!

Can someone help me out, i got a little problem i cant work out. Sometimes when i come to a stop, the second the car comes to a halt my revs drop below normal idle range, goes down to about 450 then slowly works its way back up to 550 which is normal range. At the time it drops to 450 my...

Hi there, just a few question so im 100% on it. Where a bouts is the oil filter located on this engine? I know it uses a cartridge, cannot seem to find it unless im blind. And is there any differences in process to change oil on this car as opposed to the old commodore VS (previous car)...

I have tried 6 different brands. San disk seems to work ok, still the same thing if gps is unplugged. Dodgy haha

Hey again folks, Just a quick one for anyone who knows about electrical.. i have 95% less chance of getting a USB device error when turning off the ignition if my GPS is plugged into my cigarette lighter... if the gps is unplugged i almost get USB device error every time i turn ignition...

Is there anyway to stop the IQ from the static and weird boot up. Sometimes it flashes and goes retarded then works normal. so strange... Omega Series 2

I hope it does not get to that point SSVAGON, At this stage it isn't doing it when coming to a stop. It just does the soft manual geardown as the 6 speeds do. The clink always happens when coming stop a give way sign and whilst rolling at 5k's then taking off it will clink.. It better not be...

Hey all 6 speed auto, 67xxx k's Reverse to Drive makes a clink sound. Sounds like its coming from the front of the car. Any ideas? If not just going to take it to an auto transmission place. Thanks

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Sorry to bring up an old thread, Just wondering about my charging system, i have an ex police omega with a dual battery setup and a 140amp high output alternator, i took out the redarc isolator and replaced it with a stinger 200amp isolator as my system running off the second battery draws more...

Ignore question 2, after alittle driving the brake feels more stiffer now. Feels how it should.

Hi there, just 2 questions, 1# Just wondering about these little metal clips that hold the pads in. see attatchment I could not work out how to slide the pads out so i just bent the clips upwards so i could pull them out, i managed to push them down again when i put the new pads in but i could...

Good install mate, another thing you may want to do is undo the battery ground point on the chassis as you can see in the photo and sand it back a bit to bare metal. i find it weird Holden have grounded all the ve's on a painted surface.

Any after market speaker is going to be better than stock, honestly, just go to your local Jb hifi and get a set of splits and read on how to take apart the door and tweeter trim. Youll like it =]

The strut bearing rubs against the chassis giving you the grind sound as the mount has collapsed and is off center.

I know exactly what that is, i had the same problem turning full lock onto a curb, sounds like metal grinding, you can reverse and go up and down with the wheels locked and hear it over and over. its the Strut mount on the side that's grinding. They are common to go after 40 - 50 thousand k's...

Thanks for the help

Hi mate, I did a speaker upgrade in my series 2. Just got some kicker CSS654 splits for the front and CS65 coaxials for the rear. Both sets are 6.5" and have a shallow base so they fit flawlessly into the stock 6" mounting hole. I originally hooked them up to the IQ system to see how they...

Hi all, i have a dual battery setup in my VE series 2 as it was an ex cop. I have re did all the wiring for my sound system, upgraded it to 0 gauge with a big battery isolator inbetween. I am just wondering as i have not grounded my second battery 'through the clamp' that the main battery goes...