1994 Mercury Cougar "xr7 idle" Questions

xr7 v-6 Engine won't idle, but w/ air conditioner on, it idles fine. What could be the problem? Usually with the AC on, the idle will slow down, but your case, maybe you set the idle too fast, try set

...xr7 cougar idles high while in park and driving when i start my car it tends to idle at like 1500 2000 rpms... i think it mite be a sensor, but i am not sur.. i had a dignostics for errors and non ...

...XR7 Boston LE w/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 ...

...1407. They didn't know what it was since most codes are only 3 digits. It's a 1995 Mercury Cougar XR7 V8. Thanks two people told me it was the egr valve one guy said he replce the hose and it

...xr7 V6 3.8 L , and all u need to do is set the idle down manually because your computer could have seen that the injector was stuck open, and tried to turn up idle to keep up with the amount of fuel ...

why when i start my 1996 mercury cougar xr7 it idles down and shut off? Could be a faulty idle air control valve, or dirty throttle body.The computer uses the valve to control idle speed.

check engine soon light is on .when cold the engine idles rough. when warm engine runs smother. mcdevito75 here Sounds like 1 of the fast or air idle sensors are bad, have your shop run a scan.

how do you adjust the idle speed on a 96 mercury cougar You can try to turn the screw on the throttle body but it might not work cause the computer will try and take over with the idle air control ...

1994 Cougar XR7 stalls when you stop at red light while idling. It starts idling pretty ruff and then stops. It will crank back up with no problem. This usually happens after is has warmed up. check ...

1996 mercury cougar xr7 shifting problems yea it goes into park, but when i first bought the car it just wouldn't go into reverse at all and it did nothing. So we had a 1994 cougar and i know the ...