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International Automotive Technicians Network
1996 GMC C1500 Sierra SL 4.3L MIL Lamp on
Posted to GM Driveability on 1/9/2007 8 Replies

Hi guys/girls!

Have a 96 GMC C1500 that has been through a few different repair facilities. Codes p1122 and p1406 trigger the check engine light and then the idle stays high ([...] rpm). Customer indicates that turning the truck off and restarting it shuts ou...

8 Replies Received (View Replies)

  Related Documents & Media  1996 GMC C1500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W9T
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1122TP Sensor Signal Higher Than Expected
P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W9T
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1122TP Sensor Signal Higher Than Expected
P1406EGR Valve Pintle Position Circuit Malfunction