× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2000 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 3/28/2005 7 Replies

came in on hook. No start. Pcm b fuse blown. Tac motor shorted. Now runs but sets TPS code p1220a and trips low power light and will not go over 2000rpm. Heres the sticky I can clear codes and drive with no problem or SES until I restart or just turn key back ...

7 Replies Received (View Replies)

  Related Documents & Media  2000 Chevrolet Suburban 1500 LT

 
Message Closed

car Vehicle Data

2000 Chevrolet Suburban 1500 LT

VIN 3GNEC16T7Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P1220TP Sensor 2 Circuit Malfunction
Message Closed

car Vehicle Data

2000 Chevrolet Suburban 1500 LT

VIN 3GNEC16T7Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P1220TP Sensor 2 Circuit Malfunction