OBD Guide
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P1340

Camshaft Position Sensor 'A' Bank 1 Sensor 2

P1340 is an OBD-II diagnostic trouble code meaning: Camshaft Position Sensor 'A' Bank 1 Sensor 2. Common causes: camshaft position sensor malfunction, open or short circuit in the circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Difficulty starting the engine
  • Unstable engine idling
  • Power Loss
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Camshaft position sensor malfunction
  • Open or short circuit in the circuit
  • Poor contact in the sensor connector
  • Problems with the ECU
  • Mechanical timing faults

How to Fix

  1. Check the integrity of the sensor and its circuit
  2. Inspect connectors for oxidation or damage
  3. Check sensor resistance and reference voltage
  4. If necessary, replace the camshaft position sensor
  5. Check the condition of the timing chain

Related codes

P1345P0340P0345

Error P1340 by Vehicle Brand

BMWFordJaguarLexusLincolnMercuryVolkswagen

FAQ

What does the P1340 code mean?

P1340 is an OBD-II diagnostic trouble code that indicates: Camshaft Position Sensor 'A' Bank 1 Sensor 2

What causes a P1340 error code?

The most common causes of P1340 include: Camshaft position sensor malfunction; Open or short circuit in the circuit; Poor contact in the sensor connector; Problems with the ECU.

How do I fix a P1340 diagnostic trouble code?

To fix P1340: Check the integrity of the sensor and its circuit. Inspect connectors for oxidation or damage. Check sensor resistance and reference voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1340?

Yes, but get it checked soon

How much does it cost to fix P1340?

The estimated repair cost for P1340 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat