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2002 GMC Savana 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 9/16/2013 4 Replies

Vehicle was brought in with complaint of bucking/making noise. Drove, noted solid CEL in park, once in gear flashing CEL and notable misfire. IAT reading was initially boucing between -38f and 262f with short periods of somewhat normal functioning. Wiggle test...

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  Related Documents & Media  2002 GMC Savana 2500

 
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car Vehicle Data

2002 GMC Savana 2500

VIN 1GTGG29R62
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0112Intake Air Temperature Sensor Circuit Low Voltage
P0113Intake Air Temperature Sensor Circuit High Voltage
P0300Multiple Misfire Detected
P0327Knock Sensor Front Circuit Low Voltage
P1111IAT Sensor Circuit High Input (Intermittent)
P1112IAT Sensor Circuit Low Input (Intermittent)
Message Closed w/FIX

car Vehicle Data

2002 GMC Savana 2500

VIN 1GTGG29R62
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0112Intake Air Temperature Sensor Circuit Low Voltage
P0113Intake Air Temperature Sensor Circuit High Voltage
P0300Multiple Misfire Detected
P0327Knock Sensor Front Circuit Low Voltage
P1111IAT Sensor Circuit High Input (Intermittent)
P1112IAT Sensor Circuit Low Input (Intermittent)