RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

P1130 codes

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Old 03-11-10, 01:25 PM
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CRAIGGREEN
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Exclamation P1130 codes

I just went to Pep Boys and had the codes pulled

P1130 A/F CIRCUIT B1 S1
P1130 A/F CIRCUIT B2-S1
P0330 B2

They said the a/f sensors could fix the P0330 code. They wanted $865 and $536 was just for the 2 sensors. I told them no thanks.

Can someone give me the part numbers and where these sensors are at so I can do this myself.
Old 03-11-10, 05:29 PM
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bearbrew
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Default P1130 code

Check out the post, "Need to replace sensor" on replacing Bank 2 Sensor 1.
Check out the post, DIY: "Replacing Air/Fuel Sensor" on replacing Bank 1 Sensor 1. Both of these posts are right here just a couple above or below this post.

The sensor you need should be a Denso with P/N 234-9009. At least that is the number for most RX300's.

Go to www.densoproducts.com to verify the part number.

After you verify go to www.amazon.com and order your sensors. The least expensive place for quite a few auto parts. The two sensors, 234-9009, I purchased were $123.07 each including shipping. There is a special tool, a socket with the side cut out, looks a lot like a crowsfoot/socket combination, that may make the back sensor easier to remove. But when you read the posts you will see how others have removed the sensors.

Usually the connectors are more troublesome than the sensor. Tight area and not much room to work but it can be accomplished.

Bearbrew
Old 03-11-10, 06:19 PM
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CRAIGGREEN
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Thanks Bear you are a life saver.. correction Money Saver. This will save me tons.
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