Having problems with your 1997 Mercury Cougar XR7 ?

Po 402,171,and174 codes mercury cougar need to pass emissions

\015 I have a 1997 mercury cougar that as soon as i clear the codes they come right back when i hit the highway. po 402,po171,po174. Ineed to get rid of these codes so i can register my car. Can anyone help?\015 Posted / edited by AnonymousUser on : 19-03-2018

Answers :

Repair Help & Product Troubleshooting for 1997 Mercury Cougar XR7

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