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Check Engine light.

chris
January 7th, 2006, 12:51 AM
I was at a stop light tonite when the check engine light illuminated. I checked the codes and it was a P0174 (System Too Lean(bank 2)). What should that lead me to look at?? Thanks.

ONEBADMK8
January 7th, 2006, 01:16 AM
I was at a stop light tonite when the check engine light illuminated. I checked the codes and it was a P0174 (System Too Lean(bank 2)). What should that lead me to look at?? Thanks.

02 sensors.

chris
January 7th, 2006, 01:49 AM
Thats what I thought, but I wanted confirmation before going for it. I havent gotten a service book on this car yet, they have 4 O2 sensors right? And should I change all four?

JC1994
January 7th, 2006, 02:27 AM
Thats what I thought, but I wanted confirmation before going for it. I havent gotten a service book on this car yet, they have 4 O2 sensors right? And should I change all four?
depends on the year non-obd II only have 2, obd II's have 4.

chris
January 7th, 2006, 02:38 AM
Mines a 98, hence OBD2. What I'm not sure of is should I change all 4 or is the likely culprit either the fronts or the rears.......

JC1994
January 7th, 2006, 03:11 AM
it's usually the rears that act up, I would change all 4.

Jibit
January 7th, 2006, 03:48 AM
always change the o2's in pairs never one side and not the other

chris
January 7th, 2006, 08:55 AM
Thanks for the tips, I appreciate it. Now I have to decide if want to do it myself in January in Rhode Island with no garage or pay someone else to do it.

rmac694203
January 7th, 2006, 04:10 PM
I hear the front O2's are a pain in the ass.

danny_holtermann
January 7th, 2009, 05:55 PM
I hear the front O2's are a pain in the ass.

they are actually really easy if you can get a lift

chris
January 7th, 2009, 06:40 PM
Wow this post was resurrected 3 years to the day after I made it. FWIW my prob was a vacuum leak on thew IAC IIRC.

kustomizingkid
January 7th, 2009, 07:34 PM
Holy Old thread!

XLRVIII
January 8th, 2009, 09:28 AM
and "another" lean bank # problem solved that turned out to be a vacuum leak.

This is getting more and more common with the lean codes..

Abbens
January 8th, 2009, 01:07 PM
Take it to a good technician to see if its really 02 sensors or a bad vacum leak

danny_holtermann
January 9th, 2009, 04:21 PM
ya really didn't even notice the dats, pretty good huh

kustomizingkid
January 9th, 2009, 04:25 PM
ya really didn't even notice the dats, pretty good huh


Ohh really...

Frogman
January 10th, 2009, 04:42 AM
Wow this post was resurrected 3 years to the day after I made it.

N00bs... what can you do...

TDUB
January 10th, 2009, 05:02 AM
lol you've gotta love when ancient threads get brought back from the dead for no good reason.

mistermaclincoln
March 14th, 2009, 03:44 PM
Helllo everyone,

I have the same check engine light. Check the codes and it came up as code 176 02 sensor bank 2. Which side is Bank 2?


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