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1997 Chevrolet Astro 4.3L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 9/16/2006 13 Replies

WELL GUYS HERE IS THE PROBLEM. THIS VAN CAME IN WITH THE COMPLAINT THAT THE IDLE WAS TOO HIGH AND CAUSING THE TRANSMISSION TO BANG INTO GEAR & THE SES LIGHT WAS ON. WE ONLY HAD ONE CODE AT THE TIME WHICH WAS FOR A FAULTY PCM. WE INSTALLED A NEW PCM, REPROGRAME...

13 Replies Received (View Replies)

  Related Documents & Media  1997 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Astro

VIN 1GNDM19W1V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CENTRAL PORT INJECTION
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0560PCM Backup Circuit Low Voltage
P0748Pressure Control Solenoid Circuit Malfunction
P1121TP Sensor Signal Lower Than Expected
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Astro

VIN 1GNDM19W1V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CENTRAL PORT INJECTION
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0560PCM Backup Circuit Low Voltage
P0748Pressure Control Solenoid Circuit Malfunction
P1121TP Sensor Signal Lower Than Expected