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Lexus idling problems

 
donandcarol12 donandcarol12
New User | Posts: 1 | Joined: 08/06
Posted: 08/02/06
01:14 PM

My wife has a 1999 lexus rx300.  The check engine light came on and the engine runs rough.  I used a scan tool that stated I had a P0172 error which is the air fuel mix is rich.  I also got misfire codes on four of the cylinders.  Has anyone had the same problem?  Any advice on where to start looking to solve the problem?  Also there is a gas odor when the engine is running that wasn't there before.  

 
automotivejtm automotivejtm
Guru | Posts: 1019 | Joined: 03/06
Posted: 08/03/06
09:49 AM

how many miles are on the car?