← View Generic P0515 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P0515: P0515: Idle Air Control (IAC) Valve Circuit Malfunction
on 2014 Nissan SENTRA
Fix Cost
$50 - $200
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 P0515 Mean on 2014 Nissan SENTRA?
The P0515 trouble code indicates a malfunction in the idle air control (IAC) valve circuit, which regulates engine idle speed and air/fuel mixture.
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Symptoms
- • Rough idle
- • hesitation
- • stalling
- • or difficulty starting
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Common Causes
- • Faulty IAC valve
- • vacuum leaks
- • clogged air filter
- • faulty throttle position sensor
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How to Fix P0515 on 2014 Nissan SENTRA
1. Check and clean the IAC valve and throttle body. 2. Replace the IAC valve if faulty. 3. Inspect and repair vacuum leaks. 4. Replace the air filter if dirty.
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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 P0515
P0513
Sequential Code
P0513: Idle Air Control (IAC) Motor Circuit Malfunction
Medium
P0514
Sequential Code
P0514: Idle Air Control (IAC) Motor Circuit Malfunction
Medium
P0516
Sequential Code
P0516: Idle Air Control (IAC) Valve Circuit Malfunction
Medium
P0517
Sequential Code
P0517: Idle Air Control (IAC) Motor 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