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codes 2441/2445; air switcching valve

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Old 04-08-2013, 03:24 AM   #1
some zilch [OP] some zilch is offline
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codes 2441/2445; air switcching valve

my truck (08, 4cyl, 5spd, base model, completely stock) has been throwing these codes. '
2441-air switching valve stuck closed
2445-air pump stuck off

they are both related to some pump that injects air into the exhaust when the engine is cold to lessen emissions--completely unnecessary for truck operation and has no effect on driveability. But....i need the truck to pass inspection and it will not b/c the light is on.

anyhow; does one of those issues "make" the other issue appear-- such as the "the switching valve stuck closed forces the pump to be off"?

all hoses/wires are hooked up, both issues appeared at the same time. the pump costs over $900, and the valve costs $300ish. i hate to "throw parts' at the problem, but i am not familiar with this system.

anyone have any insight?
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Old 04-08-2013, 05:18 AM   #2
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Quote:
Originally Posted by some zilch View Post
my truck (08, 4cyl, 5spd, base model, completely stock) has been throwing these codes. '
2441-air switching valve stuck closed
2445-air pump stuck off

they are both related to some pump that injects air into the exhaust when the engine is cold to lessen emissions--completely unnecessary for truck operation and has no effect on driveability. But....i need the truck to pass inspection and it will not b/c the light is on.

anyhow; does one of those issues "make" the other issue appear-- such as the "the switching valve stuck closed forces the pump to be off"?

all hoses/wires are hooked up, both issues appeared at the same time. the pump costs over $900, and the valve costs $300ish. i hate to "throw parts' at the problem, but i am not familiar with this system.

anyone have any insight?
Check on Tundrasolutions. New 5.7 has similiar problems and these guys have ways fixing on cheap.
I would say try cleaning it up first. if that does not work than replacement.
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Old 04-08-2013, 06:02 AM   #3
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First thing to do is remove your air switching valve and see if you have rodent damage. I get a lot of trucks that have acorns or other rodent debris stuck in the valve.
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Old 04-09-2013, 03:31 AM   #4
some zilch [OP] some zilch is offline
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Quote:
Originally Posted by BlueT View Post
Check on Tundrasolutions. New 5.7 has similiar problems and these guys have ways fixing on cheap.
I would say try cleaning it up first. if that does not work than replacement.

i briefly saw some this mentioned elsewhere, but did not realize the systems were similar...thanks

Quote:
Originally Posted by pjchrisrvm View Post
First thing to do is remove your air switching valve and see if you have rodent damage. I get a lot of trucks that have acorns or other rodent debris stuck in the valve.
sounds goood, i will take it out this weekend
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