OBD Guide
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P1027

Intake Manifold Air Control Solenoid Short To Ground

P1027 is an OBD-II diagnostic trouble code meaning: Intake Manifold Air Control Solenoid Short To Ground. Common causes: short circuit in solenoid circuit, air control solenoid malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check engine light comes on
  • Possible misfires

Causes

  • Short circuit in solenoid circuit
  • Air control solenoid malfunction
  • Wiring harness damage
  • Problems in the engine control unit
  • Corrosion of electrical contacts

How to Fix

  1. Check solenoid circuit for short circuit
  2. Test solenoid resistance
  3. Inspect the wiring harness for damage
  4. Clean or replace electrical contacts
  5. Replace air control solenoid if necessary

Related codes

P1025P1026P1028

FAQ

What does the P1027 code mean?

P1027 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Air Control Solenoid Short To Ground

What causes a P1027 error code?

The most common causes of P1027 include: Short circuit in solenoid circuit; Air control solenoid malfunction; Wiring harness damage; Problems in the engine control unit.

How do I fix a P1027 diagnostic trouble code?

To fix P1027: Check solenoid circuit for short circuit. Test solenoid resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1027?

Yes, but get it checked soon

How much does it cost to fix P1027?

The estimated repair cost for P1027 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat