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Andyjk

Engine light, vsc off, trc

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Hi, the engine light and trc light are illuminated on my IQ3(61) and the vsc light is constantly flashing. I have had a service and the mechanic changed the lamber/oxygen sensor thinking it would remedy the fault, as that was the fault showing up on the computer. 20miles later and same problem has returned. We both at a loss. The car drives the same but the fuel consumption is terrible. Any help greatfully received. 

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I'd get it on a diagnostic check if not already done. Most garages have them or try Toyota.

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Some Toyotas you have to have fuel cap on tight too or you'll get this problem. Seen it on you tube. 

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I also had this after a Toyota main dealer service and they told me it was due to the air filter housing not being fitted correctly.

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On 5/3/2018 at 6:20 PM, Andyjk said:

Hi, the engine light and trc light are illuminated on my IQ3(61) and the vsc light is constantly flashing. I have had a service and the mechanic changed the lamber/oxygen sensor thinking it would remedy the fault, as that was the fault showing up on the computer. 20miles later and same problem has returned. We both at a loss. The car drives the same but the fuel consumption is terrible. Any help greatfully received. 

A few months on and the problem still exists :( I read above about the air filter box. Did this solve the issue please 

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On 5/3/2018 at 9:24 PM, redmini963 said:

I also had this after a Toyota main dealer service and they told me it was due to the air filter housing not being fitted correctly.

Did this fix the problem please 

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