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Old 01-05-2015, 12:55 PM   #1
adiv_vardhan
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Unhappy Check engine Lights on: P2179 Engine code

My 2006 Mazda 6 got the check engine lights ON. I took it to Advanced AutoParts and they gave me this code :
P2179 - System Too Lean Off Idle Bank 2
.
Kindly advice what has to be done.
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Old 01-05-2015, 02:33 PM   #2
Crvett69
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Re: Check engine Lights on: P2179 Engine code

it could be a issue with your MAS, a vacuum leak or a weak O2 sensor, can google your car and the code for specific things to check or replace
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Old 01-05-2015, 03:23 PM   #3
adiv_vardhan
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Re: Check engine Lights on: P2179 Engine code

I took it to my mechanic...he said the vaccum pump had a leak...and then he replaced it.. Now after a week, the light pops up again...my mechanic said I might have to replace the fuel pump which is about 800 bucks. Im not sure what to do...
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Old 10-30-2015, 08:57 AM   #4
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Re: Check engine Lights on: P2179 Engine code

Quote:
Originally Posted by adiv_vardhan View Post
I took it to my mechanic...he said the vaccum pump had a leak...and then he replaced it.. Now after a week, the light pops up again...my mechanic said I might have to replace the fuel pump which is about 800 bucks. Im not sure what to do...
I know this is old but any updates? Just for other readers sake, whenever you get this code, it could be few things:

1. Vacuum leak.
2. Bad primary o2 sensor.


I have a 2007 Mazdaspeed 6 and I had the same issue. I replaced my primary o2 Sensor and it's fine.
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