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1997 GMC Savana 1500 5.7L No Start, MIL Lamp on, pings
Posted to GM Driveability on 10/9/2004 7 Replies

Customer brought the van pinging badly on acceleration, enough that it made me wince to drive it. Checked codes, MAF code, EGR pintle, and a freeze frame code for TPS in memory. Checked datastream, the baro reading is at 53 kpa, only about half of what it shou...

7 Replies Received (View Replies)

  Related Documents & Media  1997 GMC Savana 1500

 
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 1500

VIN 1GKFG15R3V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp on, Pings
OccursCold, Hot, on Accel, Intermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0122Throttle Position Sensor Circuit Low Voltage
P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 1500

VIN 1GKFG15R3V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp on, Pings
OccursCold, Hot, on Accel, Intermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0122Throttle Position Sensor Circuit Low Voltage
P1406EGR Valve Pintle Position Circuit Malfunction