Alfa Romeo P1090 Pre-Catalyst Fuel Trim Too Lean Bank 1

Description Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For Alfa Romeo: 2014 Alfa Romeo MiTo new,,2014 Alfa Romeo Giulietta new,,2014 Alfa Romeo 4C,,2013…

P1090 Acura Pre-Catalyst Fuel Trim Too Lean Bank 1

Description Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For Acura: 2014 Acura RLX,2014 Acura MDX,2013 Acura SUV-X Concept,2013 Acura RDX,2013 Acura NSX Concept,2013…

P1090 SUBARU Tumble Generator Valve #1 Malfunction Stuck Open

Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1090 NISSAN VVEL Actuator Motor Bank 1

Possible causes – Faulty VVEL Actuator Motor– VVEL Actuator Motor harness is open or shorted– VVEL Actuator Motor circuit poor electrical connection– Faulty VVEL actuator sub assembly– Faulty VVEL ladder assembly– Faulty VVEL control module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1090 NISSAN OBD Code Description VVEL (Variable Valve Event…

P1090 INFINITI VVEL Actuator Motor Bank 1

Possible causes – Faulty VVEL Actuator Motor– VVEL Actuator Motor harness is open or shorted– VVEL Actuator Motor circuit poor electrical connection– Faulty VVEL actuator sub assembly– Faulty VVEL ladder assembly– Faulty VVEL control module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1090 INFINITI OBD Code Description VVEL (Variable Valve Event…

P1090 BMW Pre-Catalyst Fuel Trim Too Lean Bank 1

Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light)