Engine Warning Light On A C34 Rs4?

[QLDR31]

Hi,

I finished changing the fluids on the 4wd system.

Now when I give it a little the engine warning light comes on. Drive it sedately and no problems.

Any ideas what causes this?

Oil changed within 5000Km, plenty there.

My wifes driving up to Bundy a 600Km drive on Friday, so hopefully sort it by then.

Cheers,

Brendan

[QWK32]

Hi Brendan, didn't you get a consult cable? could check the error codes with some consult software. There is a way to check the dtc's by shorting 2 pins on the consult plug and have it flash the error code with the check engine light, i think there is a procedure in the workshop manual for this.

[C34S2STAG]

Hey mate I have the same problem as well! I found it goes away as soon as you touch the throttle again. Oxygen sensor maybe? How many kms have you done?

[Chris_Beli]

Hey mate I have the same problem as well! I found it goes away as soon as you touch the throttle again. Oxygen sensor maybe? How many kms have you done?

Yes I was going to say 02 sensor, when mine went the engine light would come on when idling at lights, as soon as u got going it would switch off again so yeah check your sensor

[lilcrash]

Mine used to do it because of the over boost warning, so if your o2 sensor is fine unplug the boost sensor and see if it goes away.

[GTR260]

Funny u say that it started after changing the 4wd fluids, my 260rs started doing thesame thing it only does it under hard accelleration!

[QLDR31]

Thanks

I was thinking maybe the FWD part wasn't 100% before, now the fluids are ok its' working harder?

My wife reckons she hasn't seen the light any more.

Yeah i'll look into it.

Good tips.

[RSFOURDayz]

Ours does the same, give it a bit and she'll come one back off and after a little bit it turns off, been like that easily 6 months now though. It was also hesitating or running rough like there was a coil pack issue, but only during summer - now that it's winter its not doing it.... does this sound like it's coil packs for sure?

[C34S2STAG]

How many kms have you guys got with this problem? I have 98xxx km on the clock

We all know the coil packs go around the ~100k area so I suspect mine are in their way out because of the heat?

Note my coil pack cover is off so the hot air doesn't get traped

[RSFOURDayz]

My Stags done around 145, but problem started at around 135.

[533 RYC]

Hi Brendan, didn't you get a consult cable? could check the error codes with some consult software. There is a way to check the dtc's by shorting 2 pins on the consult plug and have it flash the error code with the check engine light, i think there is a procedure in the workshop manual for this.

Workshop manual for a C34 S2? WHERE?????

[GTR260]

There is no rough running with mine