← View Generic P0186 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P0186: P0186: Fuel Temperature Sensor Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
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Important for 2021 Honda PASSPORT Owners
Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0186 Mean on 2021 Honda PASSPORT?
The fuel temperature sensor circuit has malfunctioned, which can cause issues with fuel delivery and air intake system performance.
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Symptoms
- • Poor engine performance
- • rough idle
- • decreased fuel efficiency
- • and decreased power
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Common Causes
- • Faulty fuel temperature sensor
- • wiring issues
- • or electrical problems
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How to Fix P0186 on 2021 Honda PASSPORT
1. Check and clean the fuel temperature sensor and its wiring. 2. Replace the fuel temperature sensor if damaged. 3. Check and clear any trouble codes.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
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Related Diagnostic Codes
Other codes that may appear with P0186
P0184
Sequential Code
P0184: Fuel Temperature Sensor Circuit Malfunction
Medium
P0185
Sequential Code
P0185: Fuel Temperature Sensor Circuit Malfunction
Medium
P0187
Sequential Code
P0187: Fuel Temperature Sensor Circuit Malfunction
Medium
P0188
Sequential Code
P0188: Fuel Temperature Sensor 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