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Need help, have codes

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  #1  
Old 07-13-2007 | 02:33 PM
supercoupe91's Avatar
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1st Gear
Joined: Feb 2007
Posts: 57
Default Need help, have codes
P0135
P0171

My car has an exhaust leak, sounds like under the motor, and my MIL light is on permanently but not flashing. The car has a significant loss of power....
 
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  #2  
Old 07-13-2007 | 04:42 PM
tfische12's Avatar
1st Gear
Joined: Oct 2006
Posts: 63
Default RE: Need help, have codes
16519 P0135 O2 Sensor Heater Circ.,Bank1-Sensor1 Malfunction
16555 P0171 Fuel Trim,Bank1 System too LeanStart with the precat O2 sensor, and find the leak.

What engine and year?
 
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  #3  
Old 07-13-2007 | 07:20 PM
supercoupe91's Avatar
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Default RE: Need help, have codes
2001 1.8T
 
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