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Q:

06 hyundai sonata code p2187 system to lean idle bank 1 on 2006 Hyundai Sonata

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this is what read out on machine said
(2) Answers
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If the fuel trims are high at idle, spray supplemental fuel around the engine area while monitoring the Oxygen (O2) Sensors and fuel trim to isolate a vacuum leak. Pinch off vacuum hoses one at a time while monitoring the Oxygen (O2) Sensors and fuel trim to isolate a leaking component.

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