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Old 03-05-2016, 05:54 PM   #1
vikasevan
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2001 SL2
2004 VUE 3.5L
Dizzy P0300 P0446 and P0410

Three codes all of sudden in 2001 Saturn sl2

Can it be only one reason why all 3 codes above appeared together?

check engine lite is on

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Old 03-07-2016, 08:09 AM   #2
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2002 SC1
Default Re: P0300 P0446 and P0410

I don't see a single event that would cause these 3 codes. P0300 is random multiple misfires. Can be ignition or fuel related. P0410 is the famous secondary air injection system failure. Richpin has a good video to help diagnose this one. These two could be related if there is a small vacuum leak in the secondary air system, as that can cause a misfire at idle and render the secondary air system inoperative.

P0446 is not one I'm very familiar with, but is evaporative system related. From what I've read, this has to do with improper voltage at the purge solenoid.

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Old 03-10-2016, 06:36 PM   #3
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Default Re: P0300 P0446 and P0410

Quote:
Originally Posted by BV22 View Post
I don't see a single event that would cause these 3 codes. P0300 is random multiple misfires. Can be ignition or fuel related. P0410 is the famous secondary air injection system failure. Richpin has a good video to help diagnose this one. These two could be related if there is a small vacuum leak in the secondary air system, as that can cause a misfire at idle and render the secondary air system inoperative.

P0446 is not one I'm very familiar with, but is evaporative system related. From what I've read, this has to do with improper voltage at the purge solenoid.
Ok only P0446 is left ...other two codes are gone..thanks..

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Old 03-14-2016, 07:15 AM   #4
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Default Re: P0300 P0446 and P0410

Did you fix something, or did they just go away?

Again, I don't know much about P0446. I would probably clean the electrical connection at the purge solenoid as a first step.

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Old 03-14-2016, 09:37 AM   #5
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Default Re: P0300 P0446 and P0410

Quote:
Originally Posted by BV22 View Post
Did you fix something, or did they just go away?

Again, I don't know much about P0446. I would probably clean the electrical connection at the purge solenoid as a first step.
Replaced secondary air injection related components.
I thought p0446 is outcome of vent solenoid circuit and not purge solenoid

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Old 03-14-2016, 10:10 AM   #6
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Default Re: P0300 P0446 and P0410

You are correct - vent circuit, not purge circuit. Sorry.

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