Engine has a very rough idle when AC is being used.
SOURCE: rough idle and check engine light concord
Check your EGR valve and your IAC Idle Air Control valve make sure both are functioning correctly
SOURCE: discovery 04 idles rough after 10mins
could be faulty plugs, wire, idle sensor or fuel filter. on board diagnostics may give you a code. haynes manuels can give you instructions on OBD.
SOURCE: FORD WINDSTAR 3.8 V6 ENGINE IDLE ROUGH UP AND DOWN WHEN STANDING
Idle air control valve is the problem. "idle motor" tap it with a hammer it should temporarily solve your problem. it is right on top by the throttle body.
SOURCE: rough idle and stalling 2003 ford taurus ses
mine did the same it was the map censor had new one installed about 125$
SOURCE: Ford Taurus idle missing
It can be issue
with IAC( idle air control valve) causing the problem. There
are many other possibilities causing these idle issues.Engine idles rough. There
are few help links with solutions to troubleshoot such idle issues. I
suggest you refer the link below and follow
its troubleshooting details:------ Click
the link below:----- ----------- http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html ------------ http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html --------- http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html ------------------ http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to
3500 rpms ---------- http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html ----------- http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html -------- http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html ------------- http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html ------------ http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html ----------- http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html --------- High
Idle Problem http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html ------- http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html --------- http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html -------- http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html ------- http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html ---------- http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html ----------- http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html --------- These
details will help. Thanks.
Bad miss at idle?
http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html
Stumbling and stalling at
idle after engine rebuild?
1999 Ford F-150 Idles rough and quits when gas
pedal is pressed less?
Engine stumbles coming off idle when warm?
Erratic idle on car?
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
Low idle when cold out side?
GMC Sonoma Stalls and idles low
GMC Idle Air Control (IAC)
Valve Replacing?
1996 Camry intermittent
engine failure while idle?
Engine quits at idle?
Car overheats and Air blows
hot at idle?
While stop engine idles
like cylinder missing?
Idle flair is noticed on car? Rough idle? car
will not idle? Erratic idle speed?
High rpm in neutral? Inconsistant high RPM in
neutral?
Vehicle stumbling at idle
and shows code 54?
Rough idle, staling and Erratic shifting?
While stop engine idles
like cylinder missing?
It can be issue
with IAC( idle air control valve) causing the problem.
There
are many other possibilities causing these idle issues.Engine idles rough.
There
are few help links with solutions to troubleshoot such idle issues.
I
suggest you refer the link below and follow
its troubleshooting details:------
Click
the link below:-----
Bad miss at idle?
http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html
-----------
Stumbling and stalling at
idle after engine rebuild?
http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html
------------
1999 Ford F-150 Idles rough and quits when gas
pedal is pressed less?
http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html
---------
Engine stumbles coming off idle when warm?
http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html
------------------
Erratic idle on car?
http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html
-----------
Cold start problem and vehicle shudder around 2500 to
3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
----------
Low idle when cold out side?
http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
-----------
GMC Sonoma Stalls and idles low
http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
--------
GMC Idle Air Control (IAC)
Valve Replacing?
http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html
-------------
1996 Camry intermittent
engine failure while idle?
http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html
------------
Engine quits at idle?
http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html
-----------
Car overheats and Air blows
hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
---------
High
Idle Problem
http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html
-------
While stop engine idles
like cylinder missing?
http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------
Idle flair is noticed on car? Rough idle? car
will not idle? Erratic idle speed?
http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html
--------
High rpm in neutral? Inconsistant high RPM in
neutral?
http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html
-------
Vehicle stumbling at idle
and shows code 54?
http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html
----------
Rough idle, staling and Erratic shifting?
http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html
-----------
While stop engine idles
like cylinder missing?
http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------
These
details will help.
Thanks.
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