← View Generic P1400 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P1400: P1400: Fuel Pressure Sensor Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$150 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 P1400 Mean on 2021 Honda PASSPORT?
The fuel pressure sensor circuit has malfunctioned, causing the engine computer to set a code. This code is specific to Ford vehicles. (Ford)
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Symptoms
- • Rough engine idle
- • decreased fuel efficiency
- • poor engine performance
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Common Causes
- • Faulty fuel pressure sensor
- • faulty wiring
- • faulty fuel pump
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How to Fix P1400 on 2021 Honda PASSPORT
Replace the fuel pressure sensor, inspect and repair or replace faulty wiring, replace the fuel pump if necessary
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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
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P1400
P1398
Sequential Code
P1398: Fuel Pressure Regulator Control Circuit Low
Medium
P1399
Sequential Code
P1399: Fuel Pressure Regulator Control Circuit Low
Medium
P1401
Sequential Code
P1401: Fuel Pressure Regulator Control Circuit Low Input
Medium
P1402
Sequential Code
P1402: 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