P41 ERROR, SECONDARY AIR INJECTION TROUBLE

GMC C1500

Tiny

geeworm

November, 17, 2007 AT 6:58 PM

I have a 2001 5.3L Z71 sierra with 70,000 miles. I recently took it for a smog inspection and it failed throwing the code P0410. I checked the fuse, it's fine, at start up the air pump does engage then stops after about 15 seconds. Could it be the EGR valve? How can I go about trouble shooting the problem?

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3 Answers

Tiny

BMRFIXIT

November, 17, 2007 AT 10:58 PM

U need an electric pollution air pump
make sure u change the one way valve and hose if not the old one let water in
causing the failure

Tiny

geeworm

November, 18, 2007 AT 12:34 PM

Do you know any place they can be purchased. I checked the local auto parts stores and they don't seem to carry it. Do I have to go specifically to the dealer to get the pump?

Tiny

BMRFIXIT

November, 18, 2007 AT 3:04 PM

NOT sure if aval. On line
last I get one it was from dealer
good luck

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