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Here's whats being done to the car:
Toyota spark plugs
Toyota Coolant sensor
Toyotal Lambda sensor
Toyota Cat
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![Twisted Evil :twisted:](./images/smilies/icon_twisted.gif)
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Serviced oil, and refitted standard air filter system)
Refitted standard blow off valve
My mechanic said he cleaned the throttle body, tried adjusting the throttle or idle to see if it helped, it didn't) The car idles fine by the way.
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Brought it to the test centre today and it failed on the High idle only and the lambda was just within spec.
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Results:
High Idle
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2830rpm
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HC 73ppm
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The low idle passed fine 950rpm
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Does anyone have some advice, suggestions, or diagnosis based on the high idle readings above.
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