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2003 Saturn L300 3.0L B2s2 O2S
Posted to GM Engine on 12/14/2014 12 Replies

has b+ and 0.0 pulsed ground at both b2s2 and b1s2 heater circuits. Heaters are reading 15-20 ohm with car running and unplugged from harness. I cleaned all of the grounds on the engine and have low resistance. Keeps setting P0161 code.

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car Vehicle Data

2003 Saturn L300

VIN 1G8JW54RX3
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedB2s2 O2S
ConditionsP0161
Message Closed

car Vehicle Data

2003 Saturn L300

VIN 1G8JW54RX3
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedB2s2 O2S
ConditionsP0161