P1217 GMC Fuel Solenoid Response Time Too Long

GMC Related P1217 code 1999 GMC SAVANA Engine And Engine Cooling:engine 2000 GMC SAVANA Engine And Engine Cooling:engine 2001 GMC SAVANA Engine And Engine Cooling:engine 2002 GMC SAVANA Engine And Engine Cooling:engine

P1130 GMC HO2S Circuit Low Variance Bank 1 Sensor 1

Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1130 GMC OBD Code Description The Heated Oxygen Sensor (HO2S) is monitored for switching. The test fails when the HO2S does not switch due to circuit or fuel at or exceeding a calibrated limit.

P1131 GMC HO2S Circuit Low Variance Bank 1 Sensor 2

Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1131 GMC OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of…