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What type 02 sensor is on a 1999 gmc safari van 4.3?

Updated: 8/17/2019
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Jimmygrountree

Lvl 1
13y ago

Best Answer

You might not have to replace it. Make sure your gas cap is on to where it seals right.

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13y ago
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Q: What type 02 sensor is on a 1999 gmc safari van 4.3?
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