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P0660 Fault Code


mooneyls430
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  • 2 weeks later...

hi mark, from what i can figure there is only one in the middle of the inlet manifold.. a line of what look like throttle flaps built into the bottom half of the manifold... the valve i got was a vacumn actuator which has now been misplaced by my wife or kids.... i think its safe to say its gone (€100 down the drain... tip keep stuff out of reach of spouse and kids). to change its a monifold off job... but the fact its intermittant leads me to think its electrical... how would the engine ecu pick up a vac fault (no electronics on the valve i had).trying to figure out what controls this system and if i find out ill let you know.... at the moment i just stick in the code reader and delete the fault as it appears..... look up a site www.lexussouthatlantaparts.com...look up fuel, exhaust and emissions catagory...good diagrams off this system....

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  • 2 years later...

I sourced the tuning valve from local lexus dealer. One electrical connector, vacumn pipe and screw hold it on. That's the easy bit. You need to remove inlet manifold. Drain coolant, remove throttle body then manifold. Tricky and it took me best part of the day. I renewed inlet gaskets too. Would not like to see labour bill that lexus would charge.

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  • 4 years later...
On 1/27/2013 at 9:38 PM, steve2006 said:

I seem to remember something about the failure of the Intake Air Control Valve Accuator on the LS430 part number 17335-50010 priced around £55.00.

 

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18 minutes ago, Roy hill said:

Hi.i have p0660 code on my 2003 ls430.code says fault with.inlet manifold tuning valve. Can anyone send details of where this valve is located? Many thanks,Roy.

 

 

 

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