← View Generic P0201 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P0201: Injector Circuit Malfunction Cylinder 1
on 2014 Nissan SENTRA
Fix Cost
$80 - $400
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 P0201 Mean on 2014 Nissan SENTRA?
The fuel injector for cylinder 1 has an electrical malfunction preventing proper fuel delivery.
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Symptoms
- • Cylinder 1 misfire
- • rough idle
- • poor fuel economy
- • black smoke
- • hard starting
- • engine shaking.
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Common Causes
- • Faulty fuel injector for cylinder 1
- • wiring problems to injector
- • injector driver circuit failure in ECM
- • clogged injector.
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How to Fix P0201 on 2014 Nissan SENTRA
Replace fuel injector for cylinder 1, repair wiring to injector, clean injector, test ECM injector driver.
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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 P0201
P0199
Sequential Code
P0199: Fuel Pressure Regulator Control Circuit Low Input
Medium
P0200
Sequential Code
Injector Circuit Malfunction
High
P0202
Sequential Code
Injector Circuit Malfunction Cylinder 2
High
P0203
Sequential Code
Injector Circuit Malfunction Cylinder 3
High
💡 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