SOURCE: location of the air bag sensor module
i do not know where it is but give these guys a try they sells only GM-parts only its Schram auto & truck parts 1-800-292-1032 and they website is www.schramauto.com if all fails stop by a cadillac dealership in the parts department and they be able to tell you sorry wasn't able to help you Michigan Man
SOURCE: Replace 2005 Cadillac CTS water pump
drain the coolant.remove belt by rotating belt tensioner cllockwise. water pump pulley will require a holding tool to keep it from turning while removing bolts. access to air ratchet can sometimes eliminate the need to hold but be careful cause thats a good way to skin some knuckles. also make installation more difficult to obtain proper torque. after pulley is off just a few water pupm mounting bolts remain. clean and dry gasket surface very well before reinstalling.
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SOURCE: Getting a lean burn error code on banks 1 & 2.
Check for vacuum leaks.
Air tube between air filter and intake manifold.
If the motor has over 80,000 miles then the intake manifold gasket can **** in air and leaning out the air/fuel mixture.
Give each air / vacuum relayed hose a 1/8-1/4 turn.
Get a steam cleaning on the motor and check for any sign of leak around the sensors.
SOURCE: 2003 cadillac cts 3.2 liter..rough idle, scan tool
Did you ever find a solution to this? I am having the same issue on 2,4,6. I have replaced the coils. checked the intake for vacuum leaks. I am lost here let me know if you find anything and I will do the same.
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