AutoCodes – Lincoln – P1929 Lincoln

P1929 Lincoln Code - Fuel Additive Level Pump Control Circuit Performance

Quick Answer

P1929 Lincoln indicates Fuel Additive Level Pump Control Circuit Performance. Common causes include Faulty Fuel Additive Level Pump, Fuel Additive Level Pump harness is open or shorted, Fuel Additive Level Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1929 Lincoln indicates Fuel Additive Level Pump Control Circuit Performance.
Common causes: Common causes include Faulty Fuel Additive Level Pump, Fuel Additive Level Pump harness is open or shorted, Fuel Additive Level Pump circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,074

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1929 Lincoln Description

OBDII Code P1929 Lincoln - Fuel Additive Level Pump Control Circuit Performance - AutoCodes.com — P1929 Lincoln Code - Fuel Additive Level Pump Control Circuit Performance

What does this mean?

What are the Possible Causes of the DTC P1929 Lincoln?

Faulty Fuel Additive Level Pump
Fuel Additive Level Pump harness is open or shorted
Fuel Additive Level Pump circuit poor electrical connection

How to Fix the DTC P1929 Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1929 Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.