Idle problems on my R32 GTS-t

[Rayage]

Hi,

Something strange has happened earlier today on my 32 GTS-t. I turned on the Aircon today and the car could not hold idle. It dipped below the 900rpm idle point for the duration that the Aircon was on (wasn't on for long, cos the engine was practically about to stall).

Ever since this happened, the car has had trouble idling.

The car has a chipped ECU (dr_drift), dry element POD, the AFM doesn't have a mesh, stock BOV + plumb-back, and the previous owner (only bought this car 3 months ago) said he has changed the O2 sensor prior to sale (have receipt for the O2 sensor). The exhaust (3" exhaust + running rich at idle) has been popping heaps more than usual as a result of this strange idling problem.

Also, the fan belt has been really squeaky of late (changed from recent 100000km major service will all belts changed). Could this be affecting the idling?

Any help would be greatly appreciated..

[CGB_R32]

when u turn the air con it uses more power therefore petrol so it might dip but then it sorts itself out and comes back to normal. well thats my understanding from having the same car and incident.

[Rayage]

when u turn the air con it uses more power therefore petrol so it might dip but then it sorts itself out and comes back to normal. well thats my understanding from having the same car and incident.

Yea I expected it to do that... but not to the point of stalling. Full-on the tacho needle dropped to the first little notch above 0rpm when I turned it on.

And once the aircon is on, I would've expected it to hold idle after the idle stepper kicks in. But it rises and dips from anywhere between 500rpm and 1000rpm.

[Rayage]

Hi,

Aside from the (dubious) performance gains, I was told by a friend that an earthing kit can help with idling? I was also told that it can also help with the electrics in the car...

This friend of mine has installed one in his 180SX and has found that all his electrics and engine idling have improved... Can anyone with an earthing kit installed provide some experiences on whether this is the case?

[Bl4cK32]

id give it a go, if you are planning on running a bigger stereo, guages etc...If it dont work, reset the std ecu, make sure you turn on the air con/demister/lights etc while you are out thrashing it to learn all the loads....

[predator]

just clean the AFM.. most likely cause. Its probably got crap all over it, blocking the sensor and thereby resulting in poor idle and other strangeness. Give it a try.

[Rayage]

Thanks fellas.

I think I will give the earthing kit a try. I actually cleaned out the AFM 2 months ago followed by 100000km service. I'll try cleaning it again, but I hope the earthing kit does the trick... I've noticed that sometimes when I step on the brakes my stereo cuts out for a brief moment...