P0466 Code - Purge Flow Sensor Circuit Range/Performance

Discussion in 'P - Powetrain Codes' started by fault code, Jan 17, 2018.

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  1. fault code

    fault code Administrator Staff Member

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    What Does P0466 Mean?

    The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue. When you see P0466 engine fault code on your engine code reader this description will help you.

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    What are the common causes of P0466 ?

    These may include a faulty or improperly installed fuel cap, a faulty purge control solenoid, clogged or broken charcoal canister, broken or cracked vacuum or fuel vapor hoses, a faulty pressure or flow sensor, or a bad PCM. PCM failure is rare.

    How do you troubleshoot P0466 ?
    • Tightening fuel cap
    • Replacing the fuel cap
    • Replacing vacuum lines or vapor lines
    • Replacing charcoal canister
    • Replacing charcoal canister purge valve and/or solenoid


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