OBD Guide

P2A89

Alternative Fuel Pump C Compression Stroke Valve Control Circuit Low

P2A89 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Pump C Compression Stroke Valve Control Circuit Low. Common causes: open or short circuit in valve control circuit, faulty injection pump solenoid valve. Estimated repair cost: $50–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$50–167 (est.)

Symptoms

  • Difficulty starting the engine
  • Uneven engine operation
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Open or short circuit in valve control circuit
  • Faulty injection pump solenoid valve
  • Wiring Harness Problems
  • Malfunction of the engine control unit (rare)
  • Poor contact in connectors

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance and operation of the solenoid valve
  3. Inspect the wiring harness for damage
  4. Check contacts in connectors
  5. If necessary, replace the faulty injection pump valve

Related codes

Error P2A89 by Vehicle Brand

FAQ

What does the P2A89 code mean?

P2A89 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Pump C Compression Stroke Valve Control Circuit Low

What causes a P2A89 error code?

The most common causes of P2A89 include: Open or short circuit in valve control circuit; Faulty injection pump solenoid valve; Wiring Harness Problems; Malfunction of the engine control unit (rare).

How do I fix a P2A89 diagnostic trouble code?

To fix P2A89: Check valve control circuit integrity. Check the resistance and operation of the solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A89?

Yes, but get it checked soon

How much does it cost to fix P2A89?

The estimated repair cost for P2A89 is $50–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat