← View Generic P1366 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P1366: P1366: Fuel Injector Pulse Width Modulation Circuit Malfunction
on 2014 Nissan SENTRA
Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 P1366 Mean on 2014 Nissan SENTRA?
The fuel injector pulse width modulation circuit has malfunctioned, which can cause poor engine performance, rough idling, and decreased fuel efficiency. (Toyota)
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Symptoms
- • Poor engine performance
- • rough idling
- • decreased fuel efficiency
- • decreased power
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Common Causes
- • Faulty fuel injector
- • faulty fuel injector pulse width modulation circuit
- • faulty engine control module
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How to Fix P1366 on 2014 Nissan SENTRA
Replace the fuel injector, replace the fuel injector pulse width modulation circuit, reprogram the engine control module
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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 P1366
P1364
Sequential Code
P1364: Fuel Pressure Regulator Control Circuit Low Input
Medium
P1365
Sequential Code
P1365: Fuel Pressure Regulator Control Circuit Low Input
Medium
P1367
Sequential Code
P1367: Fuel Pressure Regulator Control Circuit Low Input
Medium
P1368
Sequential Code
P1368: Fuel Pressure Regulator Control Circuit Low Input
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