OBD Guide
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P1034

Cylinder 4 Oil Supply Solenoid Valve Driver Voltage Implausible

P1034 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Oil Supply Solenoid Valve Driver Voltage Implausible. Common causes: cylinder 4 oil supply solenoid malfunction, open or short circuit in control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Reduced engine power
  • Increased oil consumption
  • Noises in the area of cylinder 4

Causes

  • Cylinder 4 oil supply solenoid malfunction
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • ECU malfunction
  • Wiring Harness Problems

How to Fix

  1. Check the resistance of the oil supply solenoid
  2. Inspect the control circuit for damage
  3. Check contacts and connectors
  4. Test the operation of the ECU
  5. If necessary, replace the solenoid or repair the wiring.

Related codes

P1031P1032P1033

FAQ

What does the P1034 code mean?

P1034 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Oil Supply Solenoid Valve Driver Voltage Implausible

What causes a P1034 error code?

The most common causes of P1034 include: Cylinder 4 oil supply solenoid malfunction; Open or short circuit in control circuit; Poor contact in connectors; ECU malfunction.

How do I fix a P1034 diagnostic trouble code?

To fix P1034: Check the resistance of the oil supply solenoid. Inspect the control circuit for damage. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1034?

Limited driving only, diagnose soon

How much does it cost to fix P1034?

The estimated repair cost for P1034 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat