Typically, this part has a spring-loaded, diaphragm-operated valve inside a metal housing. The fuel pressure regulator, along with the fuel pump, is responsible for maintaining the required pressure drop at the fuel injector tips.
#Ford engine codes p20b9ps and p008a manual
Consult the appropriate repair manual or repair database for the exact code definition. Note: The definition of code P0089 may be different depending on the vehicle manufacturer. However, this may not be the case for other vehicles. In some cases, the designation may refer to the engine bank. Designation is typically used in systems that have multiple electronic fuel pressure regulators. The “regulator 1” in this code’s definition refers to the designated 1 fuel pressure regulator. On some vehicles, this code is defined as “Fuel Pressure Regulator 1 Performance”. Code P0089 may get logged when the powertrain control module (PCM) has determined that the desired and the actual fuel pressures do not correlate. In some cases, this code may register if the PCM finds that the fuel pressure regulator is not functioning properly. What Does the P0089 Code Mean?ĭiagnostic trouble code (DTC) P0089 stands for “Fuel Pressure Regulator Performance.” This trouble code sets when the powertrain control module (PCM) has determined that the desired and the actual fuel pressures do not correlate. If you’re struggling to figure out what the P0089 code means, this informative guide is for you.
With the right sources, you can better understand trouble codes and their potential causes and symptoms. Modern vehicles are equipped with advanced computer systems and on-board diagnostics (OBD), making troubleshooting a bit more complicated for the average DIYer.
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