IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

P0172 Bank 1

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Old 01-27-14, 02:47 PM
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pearllex09
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Default P0172 Bank 1

So my CEL came on the other day and after a few days it went off. I purchased a code reader today to see what the problem could be and it pulled a P0172 Bank 1 too rich code. If the CEL has been off now for a few days what do you think the problem could be? Car has 59000 miles

Last edited by pearllex09; 01-27-14 at 03:00 PM.
Old 01-28-14, 11:40 AM
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Gville350
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So even after turning the car off/on after the CEL first came on, the CEL stayed on for at least 3 days? Turning it off didn't remove the CEL?

I'd not worry about it unless it starts coming back more often. Do you have a short ram intake?
Old 01-28-14, 08:43 PM
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ale.
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Originally Posted by pearllex09
So my CEL came on the other day and after a few days it went off. I purchased a code reader today to see what the problem could be and it pulled a P0172 Bank 1 too rich code. If the CEL has been off now for a few days what do you think the problem could be? Car has 59000 miles
Where you by any chance low on fuel that day?
Old 01-28-14, 11:23 PM
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pearllex09
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I don't have a aftermarket intake but I did only have a 1/4 tank of gas and it was extremely cold out that day. The cel hasn't come back on yet so I'm hoping it stays that way.
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