Question about Ford Cars & Trucks

1 Answer

I have a 2001 ford f150 that idles up and down.....going down the rd it runs fine but if you come to a stop, it sometimez will idle up high enough to jump the truck forward or it will idle really low and cut off.....does the same in neutral....just replacedthe throttle control valve and still didn't fix the problem? Any ideas?

Posted by on

Ad

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Sergeant:

    An expert that has over 500 points.

  • Expert
  • 246 Answers

I'd bet its a vacuum leak. If you lightly spray carb clean on the hoses and gasket areas around your intake manifold, you'll be able to find the leak because the engine will idle way up consistently when it sucks the carb clean in from the leak.

Posted on Feb 20, 2015

Ad

1 Suggested Answer

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

High idle at start up 2200rpm then slowly drops but always seems high have to ride brakes to stop


Long High idle after start up - YotaTech Forums

www.yotatech.com/f116/long-high-idle-after-start-up-246386/
Dec 20, 2011 - aviator's Avatar ... When the high idle is no longer needed the piston retracts and the throttle ... Sometimes the piston gets gunky and slow to react... clean the ... you are already idling higher then normal the idle up will only be worse... for ... it takes to kick down when I first start it up, high idle is at 2200 RPM it ...Missing: lincoln

High idle at start up - F150online Forums

www.f150online.com/forums/v8.../306364-high-idle-start-up.html
Oct 27, 2007 - ... King Ranch · Lightning · Lincoln Blackwood & Mark LT · SuperCrew · SVT ... my 2000 when its been sitting goes up close to 2k then drops down in seconds. ... so what your saying is when it's cold outside I can expect it to start andidle at 2200 rpm. sounds pretty off to me. ... Vehicle: 2004 Ford F150 5.4L. 4.6l Intermittent High Idle. Why?
Jul 12, 2005
Dual remote oil filters????
Jun 29, 2001
More results from www.f150online.com

Nov 30, 2015 | 2004 Lincoln Aviator

1 Answer

I have 1990 ford f150 5.8 liter it idles high when in park and idles about 1200 rpm when in gear and sometimes surges up and down. i have clean the idle control and check showing 12.5 ohms still won&#


One common problem is a vac leak or a sticking throttle plate.
The computer controls idle speed by how much air is allowed into the intake. The idle control valve could be sticking even tho you have cleaned it, or have a faulty motor.

Sep 12, 2012 | 1990 Ford F150

1 Answer

My 1997 ford f150 starts fine, but has a high idle while stopped usually about 1200. Sometimes the idle will drop to about 400 and the truck almost stalls. Help?


To be honest no idea with my head under the bonnet and having a play to see whats wrong ,could be anything from a vacumn pipe to faulty sensor .

Dec 12, 2011 | 1997 Ford F150 Regular Cab

1 Answer

5.4l ford engine surges when idling


You may have a sludged up throttle valve and air bypass idle speed control valve, do the following to correct that.

I want you to get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 12, 2010 | 2001 Ford F150 Styleside SuperCrew

2 Answers

Engine misses when accelerating DOWN THE RD


the idle controls could be the problem

May 02, 2009 | 2001 Ford Expedition

1 Answer

ENGINE SURGES AT IDLE


with the engine running lift hood and lisen for a vacum leak and check all your vacum lines. if no vacum leak can be found then replace the idle air control valve.

Apr 16, 2009 | 2001 Ford F150 Styleside SuperCrew

1 Answer

2001 FORD F150 ENGINE SURGES AND DIES AT IDLE


Check all of your vacume lines. If it isn't a vacume line it is most likely the O2 sensor.

Apr 16, 2009 | 2001 Ford Crown Victoria

1 Answer

With clutch pushed-in, RPMs start to go up to around 2000-2500


if it isnt the iac probably the pcv valve positive crankcase vent. it is on a vacuum line somewere under hood. or check the air cleaner, the hose with the small filter underneath the air filter. i take its fuel injected?

Feb 16, 2009 | 1987 Ford F 150

1 Answer

1976 Ford F150 Bogs down when accelerater is pressed.


if it has a converter on it.....it may be stopped up, but before you replace it have the fuel pump checked, as it may not be getting enough gas at higher rpms. It will start and idle fine, but starve out when you press the pedal. Have you changed the fuel filter?That will cause the same problem.....

Jan 30, 2009 | 1983 Ford F150

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

62 people viewed this question

Ask a Question

Usually answered in minutes!

Top Ford Experts

Marvin
Marvin

Level 3 Expert

85216 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22485 Answers

gerry bissi

Level 3 Expert

4388 Answers

Are you a Ford Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...