MASTER TECH HELP ME PO131 PO151
11-25-2008, 08:50 PM
#1
MBWorld Fanatic!
Thread Starter
MASTER TECH HELP ME PO131 PO151
Hello,
this is an unusual problem due to mods I believe,I have an 03 SL500 with a Kleemann S/C with headers,front cats are removed rear cats are utilized,I have the rear 02,s behind them,I keep getting codes po131 and po151 which is low voltage bank 1 sensor 1 and bank 2 sensor 1,on the star diagnostics it says short circuit in the signal line on th 02,s ? as far as I know I have no vacuum or exhaust leaks,all wires and connections have been checked,dont know where to go with this,new primary 02,s Kleemann has really been trying to help me but Im 1500 miles from them,I have my own repair shop but this is a little over my head,dont know if its because rear 02,s are too far from the front ones ? im about to give up anyone have similar problem
this is an unusual problem due to mods I believe,I have an 03 SL500 with a Kleemann S/C with headers,front cats are removed rear cats are utilized,I have the rear 02,s behind them,I keep getting codes po131 and po151 which is low voltage bank 1 sensor 1 and bank 2 sensor 1,on the star diagnostics it says short circuit in the signal line on th 02,s ? as far as I know I have no vacuum or exhaust leaks,all wires and connections have been checked,dont know where to go with this,new primary 02,s Kleemann has really been trying to help me but Im 1500 miles from them,I have my own repair shop but this is a little over my head,dont know if its because rear 02,s are too far from the front ones ? im about to give up anyone have similar problem
11-25-2008, 09:27 PM
#2
Member
Join Date: Oct 2008
Location: Balboa Island, CA
Posts: 92
Likes: 0
Received 0 Likes
on
0 Posts
2002 ML55 AMG
Hello,
this is an unusual problem due to mods I believe,I have an 03 SL500 with a Kleemann S/C with headers,front cats are removed rear cats are utilized,I have the rear 02,s behind them,I keep getting codes po131 and po151 which is low voltage bank 1 sensor 1 and bank 2 sensor 1,on the star diagnostics it says short circuit in the signal line on th 02,s ? as far as I know I have no vacuum or exhaust leaks,all wires and connections have been checked,dont know where to go with this,new primary 02,s Kleemann has really been trying to help me but Im 1500 miles from them,I have my own repair shop but this is a little over my head,dont know if its because rear 02,s are too far from the front ones ? im about to give up anyone have similar problem
this is an unusual problem due to mods I believe,I have an 03 SL500 with a Kleemann S/C with headers,front cats are removed rear cats are utilized,I have the rear 02,s behind them,I keep getting codes po131 and po151 which is low voltage bank 1 sensor 1 and bank 2 sensor 1,on the star diagnostics it says short circuit in the signal line on th 02,s ? as far as I know I have no vacuum or exhaust leaks,all wires and connections have been checked,dont know where to go with this,new primary 02,s Kleemann has really been trying to help me but Im 1500 miles from them,I have my own repair shop but this is a little over my head,dont know if its because rear 02,s are too far from the front ones ? im about to give up anyone have similar problem
