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1996 Pontiac Sunfire GT 2.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, LACKS POWER
Posted to GM Driveability on 8/6/2003 9 Replies

hello to all. i am hoping for some help on this one. i have done extensive testing. i have checked everthing that is a common problem with this car. oil pressure is good, fuel pressure is holding after shut down. removed timing cover & it is in time. the probl...

9 Replies Received (View Replies)

  Related Documents & Media  1996 Pontiac Sunfire GT

 
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Sunfire GT

VIN 1G2JD12T9T
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, Lacks Power
OccursUnder Load, Idle, Intermittently
Misc.Quad 4

Trouble Codes

P1071Secondary Air Injection Switching Valve Circuit / Open
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1171Fuel System Lean During Acceleration Detected
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Sunfire GT

VIN 1G2JD12T9T
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, Lacks Power
OccursUnder Load, Idle, Intermittently
Misc.Quad 4

Trouble Codes

P1071Secondary Air Injection Switching Valve Circuit / Open
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1171Fuel System Lean During Acceleration Detected