Search Results for ‘lean conditions’

Hello! I smoke tested my Cougar trying to find a vacuum leak. Three areas have smoke coming out: Intake manifold lines, the throttle body where the springs lead to for the pulley, and the EGR holes (which was replaced a few years ago). My Cougar still idles lean when you put it in drive or...

Hello! My 2002 Mercury Cougar V6 Automatic idles lean when in drive and reverse at a stop. In neutral it idles perfect. More Context: When the engine is warmed up the lean idle stops but the rough idle occurs a few minutes after starting up. The rpm sounds like it's going to stall but it...

Hello all, Lately my Cougar has been throwing a P0401 code (insufficient EGR flow) along with symptoms like engine shaking at cruising speeds, reduced fuel economy and a quite high 1000rpm idle when warm. Many posts on the forum have led me to suspect a bad DPFE sensor, so I plugged my...

Hi guys! So I continue my search of a reason of total power loss with lean conditions (with CEL shining for 2 years). The beginnig of the story was there: http://www.newcougar.org/forums/problems/138006-replaced-everything-still-no-luck-power-loss.html Today I have tested my EGR valve solenoid...