📖 What Does P0338 Mean?
Symptoms
- • Rough idling
- • decreased engine performance
- • decreased fuel efficiency
- • engine misfires
- • and decreased power
Common Causes
- • Faulty spark plugs
- • ignition coils
- • spark plug wires
- • fuel injectors
- • or vacuum leaks
Possible Solutions
1. Check and replace spark plugs, ignition coils, and spark plug wires. 2. Check and clean fuel injectors. 3. Check for vacuum leaks and repair if necessary.
Fixing this on your car?
Get a vehicle-specific repair guide with exact parts, oil specs, and torque settings for your make and model.
🚙 Get Vehicle-Specific Fix Guide
Select your vehicle to see a customized repair guide with exact parts and specifications:
❓ Common Questions About P0338
Can I drive with code P0338?
You can drive for a short time, but should address code P0338 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0338?
The estimated repair cost for code P0338 is between $100 and $500. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
Need a Pro?
Complex codes like P0338 can be tricky. Don't risk it if you're unsure.
Recommended Tool
Professional OBD2 Scanner
Read & clear codes, view live data, and reset service lights yourself.
View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0338
P0336: Ignition System Misfire
P0337: Ignition System Misfire
P0339: Ignition System Misfire
Camshaft Position Sensor Circuit Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system