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…
Tag: P1091
P1091 Acura Pre-Catalyst Fuel Trim Too Rich 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…
P1091 SUBARU Tumble Generator Valve #1 Malfunction Stuck Closed
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)
P1091 NISSAN VVEL Actuator Motor Relay Circuit
Possible causes – Faulty VVEL Actuator Motor Relay– VVEL Actuator Motor Relay harness is open or shorted– VVEL Actuator Motor Relay circuit poor electrical connection– Faulty VVEL Control Module– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1091 NISSAN OBD Code Description VVEL (Variable Valve Event &…
P1091 INFINITI VVEL Actuator Motor Relay Circuit
Possible causes – Faulty VVEL Actuator Motor Relay– VVEL Actuator Motor Relay harness is open or shorted– VVEL Actuator Motor Relay circuit poor electrical connection– Faulty VVEL Control Module– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1091 INFINITI OBD Code Description VVEL (Variable Valve Event &…
P1091 BMW Pre-Catalyst Fuel Trim Too Rich 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)