OBD Guide
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P1485

Engine Gas Recirculation Valve Circuit Malfunction

P1485 is an OBD-II diagnostic trouble code meaning: Engine Gas Recirculation Valve Circuit Malfunction. Common causes: open or short circuit in the egr valve circuit, egr solenoid valve malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Detonation during acceleration

Causes

  • Open or short circuit in the EGR valve circuit
  • EGR solenoid valve malfunction
  • Relay or fuse problems
  • Oxidation of contacts in connectors
  • Mechanical blockage of the EGR valve

How to Fix

  1. Check EGR fuses and relays
  2. Inspect the wiring harness for damage
  3. Check EGR valve resistance
  4. Clean or replace EGR valve if necessary
  5. Reset the error and check the system operation

Related codes

P0401P0402P0403

Error P1485 by Vehicle Brand

DodgeFordJeepKiaLincolnMercuryPlymouthPontiac

FAQ

What does the P1485 code mean?

P1485 is an OBD-II diagnostic trouble code that indicates: Engine Gas Recirculation Valve Circuit Malfunction

What causes a P1485 error code?

The most common causes of P1485 include: Open or short circuit in the EGR valve circuit; EGR solenoid valve malfunction; Relay or fuse problems; Oxidation of contacts in connectors.

How do I fix a P1485 diagnostic trouble code?

To fix P1485: Check EGR fuses and relays. Inspect the wiring harness for damage. Check EGR valve resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1485?

Yes, but get it checked soon

How much does it cost to fix P1485?

The estimated repair cost for P1485 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat