AutoCodes - Generic - P029A

P029A Code - Cylinder 1 - Fuel Trim at Max Limit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P029A code possible causes

  • Faulty Fuel Injector 1
  • Clogged or Leaking Fuel Injector 1
  • Fuel Injector 1 harness is open or shorted
  • Fuel Injector 1 circuit poor electrical connection

|How do I fix the P029A code?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|Cost of diagnosing the P029A code

Labor: 1.0

The cost of diagnosing the P029A code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P029A code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|P029A code description

The Powertrain Control Module (PCM) monitors the fuel pressure at the fuel rail through the Fuel Pressure Sensor (FPS). The PCM sets the OBDII code when the fuel pressure is out of factory specifications.
OBDII Code P029a - Cylinder 1 - Fuel Trim at Max Limit - AutoCodes.com

|Need more information with the P029A code?

Need more information on how to fix the P029A code? Get Access to Factory Service Manuals

|Need help with a P029A code?

Get the P029a code diagnosed by a professional: Find a repair shop in your area

|P029A code comments

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Repair Importance Level: 3
 
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