Just Bought My C34 S2 Stagea And Need Help

[Trowy88]

Hi guys I'm Daniel how are ya?

Sorry I'm new here and just bought a lemon and wondering if you could HELP PLEASE?.

my s2 c34 Stagea has been to the mechanics 3 times and they can't sort it

I had a misfire fault a while ago turned out to be coil pack, so replaced all 6 and spark plugs too.

I've had the battery seem to go flat for no reason too, multiple times I've had to charge it to be able to start it, not sure if it needs replacing or if there is something causing it to go flat???

Now I have this fault 21 which is "ignition failure" and after looking at it they noticed the clips from the coil harness a few had broken so the connectors could be coming loose and causing misfire, so I had to replace the coil pack harness.

Now past few days the car has done 3 things

1)

Turn on and no warning lights and runs fine for a bit, then runs like its on 4-5 cylinders,

2)

Then kept running like shit with the check engine light on all arvo.

3)

Stopped to get fuel, left accessories turned on by accident then went to start and it was like the battery was flat so I got a jump start and now everything seems ok

Now back to misfiring badly.

I replaced the battery yesterday too as my mate tested it and said it failed the test but still same issues.

ANY HELP AT ALL WOULD BE AWESOME.

Cheers

Daniel

[daneprostamobrown]

Have you checked the charge voltage that the alternator is supplying when the cars running?

[zoomzoom]

With the car off, check the current draw by putting a multimeter in series with the battery (dont turn the car on!). Put it in amps range.

Get a baseline reading then start pulling out fuses one by one to see if a particular circuit is causing the current drain.

Otherwise the battery may not be getting charged by the alternator, but theres not much point guessing without taking measurements.

[PranK]

Hi trowy88, i've merged your 3 topics into this one.

[Cowboy1600]

Where are you located?

[conan7772]

Yep, a bit surprised your mechanics haven't found the current drain for starters.

Lack of logical method there...

Time for a new mechanic maybe..

[Duncan]

and don't worry, it's likely just 1 or 2 problems that haven't been found, not an overall lemon. these are well engineered and built cars, so once you get someone who knows them to sort it, it will probably be great

[turboty]

Ignition pack? So the part before the coil pack itself? Could cause the misfire. Your either not charging as you should or something is left on when it shouldnt be... could always install a battery cut off switch if you cant find the issue.

[Stick180]

Ignition pack? So the part before the coil pack itself? Could cause the misfire. Your either not charging as you should or something is left on when it shouldnt be... could always install a battery cut off switch if you cant find the issue.

S2's dont have an ignitor