P2310 moderate

Ignition Coil F Primary Control Circuit Low

The P2310 code means the vehicle's onboard diagnostic system has detected: Ignition Coil F Primary Control Circuit Low. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$50 - $350 (parts and labor)
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Common Symptoms

  • Engine misfire on cylinder 6
  • Check Engine Light flashing or illuminated
  • Rough idle and engine vibration
  • Reduced acceleration capability
  • Fuel smell from exhaust

Probable Causes (Ranked by Likelihood)

  • Failed ignition coil F Very High
  • Damaged wiring to coil F High
  • Corroded coil F connector from engine bay moisture Moderate
  • Worn spark plug on cylinder 6 Moderate

Step-by-Step Diagnostic Procedure

  1. Swap coil F with a known good coil from another cylinder

  2. Replace spark plug on cylinder 6 if worn or fouled

  3. Check coil F connector for corrosion

  4. Measure coil F primary resistance

  5. Inspect wiring harness for damage near cylinder 6

Frequently Asked Questions

Can I drive with code P2310?

Short distances only. Cylinder 6 is misfiring and continued driving risks catalytic converter damage.

What causes P2310?

A failed ignition coil on cylinder 6 is the most common cause. Replace the coil and spark plug together.

Is P2310 expensive to fix?

Usually $50 to $350. Ignition coil replacement is affordable. Labor may be slightly higher for rear-bank cylinders on V6 engines.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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