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dtc P1415 keeps setting

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Old 02-03-2009, 12:19 AM
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Default dtc P1415 keeps setting

bone stock 99z28 m6 (with 197,000 and runs like a million bucks) but ses light coming on and DTC P1415.. I have the following freeze data any help appreciated. what to do next?
abs tps% 4.3
rpm 1547
calc load 4.3
maf 1.70
map 7.4
coolant 194
st ftrm 1% -42.2
lt ftrm 1% -12.5
st ftrm 2% 54.7
lt ftrm 2% 10.9
veh speed 25mph
fuel sys1 open1
fuel sys2 open1
Old 02-03-2009, 10:22 AM
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Probably a clogged drivers side air check valve, I had P1416 for the other bank once and replaced it. With your high mileage might be something else, see www.gearchatter.com/viewtopic8813.php
Old 02-03-2009, 03:21 PM
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Originally Posted by 2001NBMZ28
Probably a clogged drivers side air check valve, I had P1416 for the other bank once and replaced it. With your high mileage might be something else, see www.gearchatter.com/viewtopic8813.php
you were spot on right. i had followed the service manual earlier today and it suggested checking it. I could blow thru the rh but not the lh. I also had to make a cut thru the wrench flats with a ziz wheel to get it off. Oreillys had a new one for $12. This car amazes me at how well it runs for the miles...




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