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secondary air injection malfunction/warning messages on my dash


Nick P

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secondary air injection malfunction( 2002 Deville DTS) this code wont go away, i've replaced the air injection pump, no holes in the air lines, i cant find the fuse or relay, not sure what its marked or even where its located, i checked under the hood, but couldn't find it....please help me!!!!....also my service suspension sys, and speed limited to 90 waring messages are on, and i have replaced EVERYTHING( struts, hubs, brakes ect...

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Are u sure you it was the the air pump you replaced? Not a hard job but certainly not one you would forget..the maxi fuse is in the under hood fuse block near right front of car...the relay is near the coolant overflow tank.

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Logan, Thanks for your response, yes im sure it was the pump, its located by the drivers wheel...it turns on for about 2 mins, and then car idles down and run fine, but its still giving the code, im going to check the fuse in the morning, i looked for it, but not sure what it labeled, or numbered, cause i couldn't find it...

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Ok...if you can hear the pump run...the fuse is ok. The air pump only runs for about 45 seconds on a cold start.

There is no relation between the start-up idle speed and the air pump running. They may seem related but it's 2 different things going on.

The air pump fuse is in the underhood fuse box. One of the large ones...#45...50A.

post-2-0-30921700-1346870914_thumb.jpg

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