P0663 Code - Intake Manifold Tuning Valve Control Circuit Open Bank 2

What Does P0663 Mean?

If an error is detected in the intake manifold tuning valve control circuit for engine bank 2, a P0663 trouble code is stored and the Check Engine Light illuminates. Some vehicle models require additional drive cycles with a failure beyond the first before the Check Engine illuminates.

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What are the common causes of P0663 ?

• Faulty Intake Manifold Tuning Valve (IMTV)
• Intake Manifold Tuning Valve harness is open or shorted
• Intake Manifold Tuning Valve circuit poor electrical connection

How do you troubleshoot P0663 ?

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Replace the oxygen sensor that is downstream from the catalytic converter on the side of the engine that does not contain cylinder #1. Also, if a oxygen sensor code stating "heater circuit malfunction" the sensor has most probably failed.

Searches related to P0663 - Intake Manifold Tuning Valve Control Circuit Open Bank 2

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