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The mkiv Supra Owners Club

Inconsistent Idle


BrianBunning

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Right ive used the search function but no-one *seems* to have had this exact problem.

 

Basically when i start the car in the morning or after leaving it standing for a while it starts and idles fine.....But..... if i drive down the shops for example leave it for less than an hour say then get in and start her it will idle erratically between 500-600 revs straight away. If i rev it for a 15 - 20 seconds it clears and idles fine.

 

I suspect the Idle Control Valve may need cleaning but does anyone else have any ideas?

 

any help appreciated as always

 

Brian

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yes mate, you could try cleaning the IACV, watch out for the two coolant hoses attached to the bottom, make sure you done loose the basket and the little rubber thing on the manifold side of the IACV and use brake disc cleaner to clean inside the IACV. You could always try resetting your ECU aswell, that cant hurt

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