Fault code po660 on3.5 charger
P0660 DODGE Description
The Intake Manifold Tuning Valve (IMTV) system is monitored for
failure during continuous, key ON engine OFF or key ON engine running
self-test. The test fails when the signal on the monitor pin is more or
less than an the expected calibrated range
Symptoms- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes- IMTV signal circuit open, shorted to power or ground.
- Damaged IMTV actuator.
- Damaged ECM.
When is the code detected?Dual plane intake system-Control solenoid failure
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