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P0002: Fuel Volume Regulator A Control Circuit Performance

Severity
Low
NHTSA Reports
8
Vehicles Affected
2
System
Powertrain

What Does P0002 Mean?

P0002 is a diagnostic trouble code indicating: Fuel Volume Regulator A Control Circuit Performance. This code relates to the fuel and air metering system. It has been reported in NHTSA complaints across 2 different vehicle models.

Symptoms of P0002

Common Causes

P0002 Reports by Year

2019
2
2020
2
2021
2
2023
1
2018
1

Real Owner Reports

From NHTSA complaint database β€” actual owner descriptions.

"While trying to pass big rig on freeway my car went into lymph mode and stalled causing the car behind me to brake and almost caused an accident. My engine light came on & after getting it checked out I retrieve the following code P0002. After doing some research it appears this is an ongoing issue "

β€” Mercedes-Benz C-Class owner, 07/27/2023

"WHEN ACCELERATING TO PASS ON HIGHWAY CAR SUDDENLY GOES INTO LIMP MODE AND LOSSES POWER THIS IS DANGEROUS AT 70 PLUS MILES PER HOUR, ECM CODE READS P0002 HIGH PRESSURE FUEL REGULATOR FAILURE, CHECK ENGINE LIGHT WILL STAY ON UNTIL CAR HAS BEEN SHUT OFF FOR LONGER THAN TEN MINUTES OR IF YOU HAVE A SCAN"

β€” Mercedes-Benz C-Class owner, 03/01/2021

"CHECK ENGINE LIGHT CODE P0002. ACCELERATING IN ANY FORM FROM THE STREET OR ESPECIALLY THE HIGHWAY MERGING ON, THERE IS A SUPERIOR LOSS OF POWER/ACCELERATION. VERY DANGEROUS AS YOU ARE A HAZARD COMING INTO THE HIGHWAY AND DO NOT HAVE ADEQUATE ACCELERATION WHEN ON RAMPS ARE A VERY SHORT DISTANCE. I BE"

β€” Mercedes-Benz C-Class owner, 04/17/2020

Source: NHTSA Complaints Database

Most Reported Vehicles for P0002

Based on NHTSA owner complaint data.

P0002 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

Frequently Asked Questions

Can I drive with this code?
You can usually drive short distances, but fuel economy will suffer and emissions will be higher. Get it diagnosed within a week.
Will this code cause my car to fail emissions?
Yes β€” any active check engine light will cause an automatic emissions test failure in most states.
How much does it typically cost to fix?
Depends on the root cause. Simple fixes like a gas cap ($5-15) to sensor replacement ($150-300) to more complex repairs ($500+).

What To Do Next

Possible Fixes

  • πŸ”§ Have the code scanned with a professional-grade scanner to read freeze frame data
  • πŸ”§ Clean or replace the mass air flow (MAF) sensor; check for vacuum leaks
  • πŸ”§ If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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