Having problems with your 1996 Mercury Cougar XR7 ?

01 gmc jimmy with codes bank one and bank two to lean

\015 If i drive the vehicle hard it will run rough then if i give it time to i guess "catch its breath" it will run fine.\015 Posted / edited by AnonymousUser on : 18-12-2017

Answers :

Those codes mean that you might have bad o2 sensors on bank 1 and 2 but can also be caused by bad fuel mixture
Repair Help & Product Troubleshooting for 1996 Mercury Cougar XR7

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