Questions & Answers for: Mercury surging at idle

it only idles ruff during park or idle did not smell any gas Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle ...

My 94 topaz stalls out when i'm ideling?? Has anybody had this problem before or any suggestions??? DO THE FOLLOWING Here is the most common cause of surges and stalls at stops and low erratic idle ...

idle surging She starts up just fine at anytime of the day or night, runs fine anywhere above idle, it's just at idle where she surges; in or out of gear even when I come to a stop & reach idle it

I have a 2000 Cougar. Engine light is on, car idles high, has a sporatic drive and has completely died on me one time while driving. Was put on the scope to find problems but the mechanic couldn't ...

...surging losing power at acceleration and gaining as you go along the way 2002 mertcury cougar v6 and spurtering at idle Thanks for choosing FixYa and welcome to the site. Have you tried to change the ...

hi, I have a 1993 mercury topaz. when the car sets and idles a bad gas smell comes from the engine. it does not seem to have an exhaust leak. The engine also surges when it idles. The gas smell is ...

i have a 1997 mercury cougar starts up it surges up and down in drive it cuts off hot are cold when it starts it surges it idle s pu and down put it in drive sometime it cuts off You will need to have

... need more info is the check engine light on?   you said it shudders  is it missing or has a surging idle ( high and low)   does it die when it goes low idle or stay

idle surges up and down but does not stall Idle speed control motor could be causing this or a vacuum leak.

Sudden power surge -happens in stop and start traffic. Foot on brake when power surge happens-I had to slam on brakes to prevent read end collosion. Three events in last two weeks. Just my opinion, I ...