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1997 Chevrolet Astro 4.3L MIL Lamp on
Posted to GM Driveability on 10/28/2004 7 Replies

Hello all,

This truck has had an intermittent problem with this circuit (po121). I reviewed the freeze frame for the code and didn't perceive a problem. I'm a bit unclear about this situation. I followed the flow chart from Nodata and ofcourse came up with sy...

7 Replies Received (View Replies)

  Related Documents & Media  1997 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Astro

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Astro

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance