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1999 GMC Savana 3500 5.7L MIL Lamp on
Posted to GM Driveability on 6/28/2007 2 Replies

Good morning IATN

this van came from a shop that replaced the tps per code only . code is po122 ( tps voltage low )My lab scope shows reference V @ 5 , koeo .69V ( tps signal out ) , with a perfect tps pattern . So far the " wiggle test " is o.k. , and curren...

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  Related Documents & Media  1999 GMC Savana 3500

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 3500

VIN 1GDHG31RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 3500

VIN 1GDHG31RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage