Ford F350: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Ford F350’s air/fuel ratio is out of balance (too rich or too lean). Your F350 is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

Ford F350 U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Ford F350).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

P2097 Ford F350

P2097 is a generic OBD II code, which means that it has the same meaning for the Ford F350 as it would any other vehicle.  It specifically indicates that your F350 detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more

Ford F350 U0073: Meaning, Symptoms, + Diagnosis

U0073 Definition: Control Module Communication Bus”A” Off U0073 is a fairly common trouble code.  It is generic, so it has the same meaning for your Ford F350 as it would any other.  This code appears when something has interrupted the communication between two of your F350’s control modules. The most common causes of U0073 are … Read more

Ford F350 P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Ford F350’s third (from the exhaust manifold) “bank 2” downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   Having this code does not necessarily mean that the vehicle is running lean (although it can, but … Read more

Ford F350 P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Ford F350 is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Ford F350 P2018:  Meaning + Diagnosis

P2018 is a generic diagnostic trouble code (DTC) that indicates an issue with your Ford F350’s intake manifold runner position sensor/valve (from here on out, we will be referring to this sensor by its common abbreviation of IMRC). P2018 Definition: IMRC – Switch Circuit Intermittent (Bank 1) IMRC The IMRC’s job is to help your F350’s … Read more

Ford F350 P0356: Coil Pack “F” Malfunctioning – Diagnosis

P0356 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “F” (the sixth cylinder). Specifically with the primary or secondary wiring circuits. If your Ford F350 has thrown this code, it will usually be accompanied by P0306.  Addressing P0356 should take care of P0306 on its own. P0356 is a … Read more