2200 motor problem

[alan.chalkley]

The problem is not new and has been intermittent for about 6 months.

When it happens , it's a rough lumpy/stalling idle with black smoke and guzzling fuel after warm up.

Almost as if auto choke comes on and running rich.

To stop the stalling i just turn aircon on.

My mechanic has looked at it twice and replaced the spark plugs/oil/filters and said just drive it harder.

Well i tried to drive it hard and it's in a camry , so no fun in that.

Anyway some gen6 celica owners might have experience with this problem.

It has me and my mechanic stumped.

[trentmeyer23]

Have you tried cleaning the throttle body and IACV(Idle Air Control Valve)?

[alan.chalkley]

Thanks! , my son has taken the car , so when he brings it back i can try cleaning the IACV.

I dont think it's a problem with the throttle body because the car drives fine , just splutters and stalls on idle.

[trentmeyer23]

I dont think it's a problem with the throttle body because the car drives fine , just splutters and stalls on idle.

There are small drillings in the throttle body that the IACV uses to allow air through, make sure you spray some throttle body cleaner through these as well.

[alan.chalkley]

Update!

My mechanic is adamant that this is an ECU fault.

So he has tried replacing the ECU with one from the wreckers.

Only problem is , it seems to be VIN locked and he is trying to unlock it with the remote key.

The only other thing that i didn't mention is that the brake master cylinder was replaced about 7 weeks ago after a complete brake failure and maybe this has upset the ECU.

This 2200 camry has done 370 000 kms so it might go to the wreckers.

But my son wants to get it fixed and keep it.

Edited May 30, 2015 by alan.chalkley

[alan.chalkley]

Update!

The camry was parked and a skilled driver lost control and hit it head on , the front guards were into the doors.

Insurance wrote it off as a total loss.

So i bought a 1996 corolla csi hatchback and still have money left.

Well , we will never know the actual cause of the idle problem.

[trentmeyer23]

In that case, there is no need to leave this open.

Sorry to hear about the damage.

Closed.