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- - OBDII codes (https://www.saturnforum.com/forum/saturn-s-series-sedan-27/obdii-codes-2456/)

2002SL

Sep 13, 2008 11:05 PM

I get these two codes:PO130 and PO134 on my 2002 SL. The car runs good
. I tried to clear the codes but they come back after 15 minutes of driving.
Does anyone know what these codes are? Can I run the car with these
codes?

Thanks

derf	Sep 14, 2008 06:38 AM

Both are O2 sensor codes

P013002 Sensor Circuit Malfunction (Bank I Sensor 1)
P013402 Sensor Circuit No Activity Detected (Bank I Sensor 1)

Sounds like either a wiring issue (check FIRST) or a bad O2 sensor.

OceanArcher

Sep 14, 2008 08:39 AM

Derf has the answer there - specifically, the upstream O2 sensor is the one throwing codes. Connections, connections, connections ... then worry about the possibility of changing it out

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