TF Emissions failure

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Join Date: Mar 2013

Location: Helensburgh

Car: MG TF

Posts: 452

I don't know the codes but I had a similar problem last year and my IACV was the problem. I also needed to reset the throttle.

I took the IACV off and cleaned it of the sooty deposits. I used brake cleaner with no ill effect.

The engine should idle steadily at around 800rpm. I reset my throttle. To do this, I warned the car up to operating temperature. I switched off then switched on to position 2 on the ignition (did not start the car) I pressed the accelerator 6 times in 30 seconds, waited 15 seconds and turned ignition off. The car had been idling erratically at around 1100 revs with some hunting. After the reset, the car is steady at 800 rpm or thereabouts.

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TF Emissions failure