OBD Guide
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P1665

EVAP Vent Solenoid Control Circuit Conditions

P1665 is an OBD-II diagnostic trouble code meaning: EVAP Vent Solenoid Control Circuit Conditions. Common causes: open or short circuit in the purge valve control circuit, purge solenoid valve malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Increase in harmful emissions
  • Unstable engine idling
  • The smell of gasoline in or around the car

Causes

  • Open or short circuit in the purge valve control circuit
  • Purge solenoid valve malfunction
  • Relay or fuse problems
  • Corroded contacts or damaged wiring harness
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of fuses and relays
  2. Check the resistance of the purge valve
  3. Inspect the wiring harness for damage
  4. Check control circuit voltage
  5. If necessary, replace the EVAP purge valve

Related codes

P0443P0458P0459

Error P1665 by Vehicle Brand

BuickCadillacChevroletGMGMCKiaOldsmobileSaturn

FAQ

What does the P1665 code mean?

P1665 is an OBD-II diagnostic trouble code that indicates: EVAP Vent Solenoid Control Circuit Conditions

What causes a P1665 error code?

The most common causes of P1665 include: Open or short circuit in the purge valve control circuit; Purge solenoid valve malfunction; Relay or fuse problems; Corroded contacts or damaged wiring harness.

How do I fix a P1665 diagnostic trouble code?

To fix P1665: Check the integrity of fuses and relays. Check the resistance of the purge valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1665?

Yes, but get it checked soon

How much does it cost to fix P1665?

The estimated repair cost for P1665 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat