Engine-CodesDodge – P1298 Dodge

P1298 Dodge Code - Air/Fuel Ratio Lean Under Wide Open Throttle Condition

Quick Answer

The P1298 diagnostic trouble code (DTC) for Dodge vehicles indicates an Air/Fuel Ratio Lean Under Wide Open Throttle Condition. Common causes include Vacuum leak in the intake system, Faulty mass air flow sensor, Clogged fuel filter. 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
P1298 Dodge indicates Air/Fuel Ratio Lean Under Wide Open Throttle Condition.
Common causes
Common causes include Vacuum leak in the intake system, Faulty mass air flow sensor, Clogged fuel filter.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1298 Dodge Description

The P1298 diagnostic trouble code (DTC) for Dodge vehicles indicates an Air/Fuel Ratio Lean Under Wide Open Throttle Condition. This means that the engine control module (ECM) has detected a lean air/fuel mixture during high engine load conditions, typically when the throttle is wide open. A lean air/fuel ratio occurs when there is too much air relative to the amount of fuel being injected into the engine cylinders. This can lead to a lack of power, poor fuel economy, and potential engine damage if left unresolved.

OBDII Code P1298 Dodge - Air/Fuel Ratio Lean Under Wide Open Throttle Condition
P1298 Dodge Code - Air/Fuel Ratio Lean Under Wide Open Throttle Condition

Common Causes of P1298 Dodge

  1. Vacuum leak in the intake system
  2. Faulty mass air flow sensor
  3. Clogged fuel filter
  4. Malfunctioning fuel injector
  5. Issue with the oxygen sensor

Symptoms of P1298 Dodge

  1. Engine misfires or hesitation during acceleration
  2. Rough idle or stalling at high engine load
  3. Decreased power and acceleration
  4. Poor fuel economy
  5. Check Engine Light illuminated

How to Fix P1298 Dodge

  1. Diagnose the root cause of the lean air/fuel ratio using a scan tool and inspecting relevant components.
  2. Repair or replace any faulty components such as the mass air flow sensor, fuel filter, fuel injector, or oxygen sensor.
  3. Check for vacuum leaks and repair as necessary.
  4. Clear the DTC and reset the ECM to see if the issue has been resolved.
  5. Road test the vehicle to confirm that the lean condition has been corrected and that the symptoms have been alleviated.

Cost to Fix P1298 Dodge

The cost of repairing a P1298 code can vary depending on the specific cause and the parts that need to be replaced. On average, the repair costs can range from $100 to $500, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can fluctuate based on various factors, so it's advisable to consult with a professional for a more accurate estimate based on your location and vehicle type.

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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.

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