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2000 Saturn LS2 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 2/11/2009 9 Replies

This vehicle is not hitting on cylinders # 2, 4, 6, We did remove the front half of the plenum and checked for fire at the plugs and there is good fire. We removed the front plugs and cleaned them . We cleaned the intake and throttle plate. When we unplug the ...

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car Vehicle Data

2000 Saturn LS2

VIN 1G8JW52R7Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0304Cylinder 4 Misfire Detected
P0306Cylinder 6 Misfire Detected
P0447Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
P0506Idle Speed Control System Lower Than Expected
Message Closed

car Vehicle Data

2000 Saturn LS2

VIN 1G8JW52R7Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0304Cylinder 4 Misfire Detected
P0306Cylinder 6 Misfire Detected
P0447Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
P0506Idle Speed Control System Lower Than Expected