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Emissions Check Light

Old 12-28-2004, 06:24 PM
Thread Starter
Join Date: Dec 2004
Posts: 1
Default Emissions Check Light

I have a s80 2.9 non turbo,
100 K miles,

Recently i've had some flakey problems.
1. I had a traction/brake check light on. It has stopped completely for 2 months. I chedked the ABS system in snow ( in a parking lot). It works. The dealer had originally said I should replace the ABS system for over $1500!!

2. THe emmisions message appears now, along with a check engine light,

The dealer did nothing more than plug into the OBD outlet and tell me things are wrong
1. ECM 262A, Long Term fuel Trim, lower limt , Area 28 Long TErm fuel trim bank 1 low, Logge
2. ECM 272 A, Adaptive lamda control, Bank2 bottom, Adaptive Lambd control Bank 2 Low, logged

THe OBD has also spit out messages claiming
1. I have a bad 10 disck changer ( i do not have a changer in the car)
2. I am missing my fuel cap ( it is very securely attached to the car)

Right now i do not trust this OBD system, and it irks me that the dealer simply wants to follow what the OBD tells them to do, Any suggestions.


Old 12-29-2004, 03:12 AM
tech's Avatar
Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Default RE: Emissions Check Light

The 262A and 272A codes usaully mean and air leak but there is a list of componants that have to be checked before a diagenosis can be made.
As far as the ABS the module is probably still bad and will need to be replaced or rebuilt sometime,
This site rebuilds the ABS modules.

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