← View Generic P0239 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P0239: P0239: Fuel Injector Circuit Malfunction
on 2014 Nissan SENTRA
Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2014 Nissan
SENTRA
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Important for 2014 Nissan SENTRA Owners
Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0239 Mean on 2014 Nissan SENTRA?
The fuel injector circuit has malfunctioned, preventing the fuel injector from functioning properly, which can cause poor engine performance, rough idle, and decreased fuel efficiency.
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Symptoms
- • Poor engine performance
- • rough idle
- • decreased fuel efficiency
- • decreased power
- • and rough acceleration
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Common Causes
- • Faulty fuel injector
- • clogged fuel filter
- • faulty fuel pump
- • or wiring issues
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How to Fix P0239 on 2014 Nissan SENTRA
1. Check and clean the fuel filter. 2. Check and replace the fuel injector if faulty. 3. Check and replace the fuel pump if faulty. 4. Check and repair any wiring issues.
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Need Maintenance Info for Your SENTRA?
Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.
View 2014 Nissan SENTRA SpecsParts for 2014 Nissan SENTRA
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P0239
P0237
Sequential Code
P0237: Fuel Injector Circuit Malfunction
Medium
P0238
Sequential Code
P0238: Fuel Injector Circuit Low Voltage
Medium
P0240
Sequential Code
P0240: Fuel Injector Circuit Malfunction
Medium
P0241
Sequential Code
P0241: Fuel Injector Circuit Malfunction
Medium
💡 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