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My Ford ls Focus revs high on start up, and two times reverted into limp mode,could this problem be a result of computer modual malfunction.

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Hi,

You have posted the problem under "Motherboards" section.

Kindly submit the question under Ford Focus section on the website by clicking this link so that the best car experts can view and post a solution to the problem.

On the page which opens, type the question in the "Ask an Expert" box on the right hand side of the page and click on "Ask a Question" button.

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Posted on Apr 02, 2011

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I have Ford Focus 1.0 EcoBoost 2012. I have experienced an intermittent problem where I get a loss of power (turbo not working)and car goes into "limp" mode. No warning light appears and the car


thats sounds like a possible boost control solenoid failure.when the boost solenoid fails it wont activate a warning light and because of the lack of boost the engine computer fail safe feature will put it in limp mode in order to keep the driver from harming the engine

Jul 21, 2016 | 2012 Ford Focus

1 Answer

My chev captiva 2.4 petrol, it start nicely but it dsnt want to rev high, it shows code c3fa9


if it will not rev high , it could be in the limp mode or the rev limiter has failed
find what the code refers to and fix the fault

Oct 22, 2015 | 2010 Chevrolet Captiva 2.4

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I have ford focus xr5 turbo lv 2008 after service due the engine light comes up on the dashboard and some time flashing and when i press the accelator in drive doesn't go fast and don't get pick up ...? ?


Sounds like you have a serious engine malfunction and your ECU is putting vehicle in safe mode which is limp mode, no performance. You have to pull codes to see what the issue is, or if mechanical, look for loose hoses which is most likely the culprit which is sending signal to your ECU tripping limp mode.
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Mar 05, 2015 | 2008 Ford Focus

2 Answers

How do I fix my 2004Ford Focus going into limp mode doesnt do it all the time bad after stop and pulling out into traffic . engine light doesn't came on (?)


TEDDY is right on Point. First if this is happening, YOU should not be driving it. YOU are a danger to yourself and those around you and I am sure you do not want to cause an accident or be in an accident.... with that said... I am 95% sure your issue is Transmission Related although Teddy is correct with the other issues that could cause it.

Limp Mode is designed to "GET YOU OFF THE ROAD SAFELY" (you know... Limp Home).... Now that you are home, you need to discover the issue and the vast majority of the time with the Focus is the Transmission Codes. Many of these "MAY" set a CEL but not always, once you start to Scan the vehicle with a Diagnostic Scanner, the issue may be plain to see. Majority of time it has to do with the TCC Solenoid (Torque Converter Clutch)... It could also be something as simple as a Clogged Fuel Filter, MAF Sensor, Clogged Converter are some issues that can cause it.

Scan the Car and you will get some more information.. Something like a P0191....

Let us know what you find out..

Nov 13, 2014 | 2004 Ford Focus

1 Answer

Ford focus 1.6 petrol gone into limp mode what can


run the fault codes to find the sensor that put it in limp mode and repair/ replace it . use that scanner to reset the CPU program to get it out of limp mode.

Sep 15, 2014 | Ford Focus Cars & Trucks

1 Answer

2005 focus 1.6 limp mode problem and P2100 code


Try clearing the code from the computer. If it returns again, the second hand one could be bad also! Some codes are what they call a hard code, that stays in the computer memory, and will think that the problem wasn't repaired (even though the part was replaced). Till the code is cleared from the memory, the vehicle will return to a limp mode untill the problem is resolved!!

Apr 18, 2014 | 2005 Ford Focus 1.6

1 Answer

2005 ford focus revs up high and heater not hot


It may be a vacuum leak. Some vehicles use engine vacuum to operate heater controls. A leak would cause the controls to malfunction and also increase engine idle. Check all the vacuum hoses for damagedvor unplugged ends. Hope this helps.

Jan 13, 2014 | Cars & Trucks

1 Answer

My Chrysler cirrus goes into low 1 or low 2 on its on. It says that it goes in limp mode. What would cause that. Its a automatic transmission.


"Limp Mode" is determined by the Powertrain Control Module (PCM). It could be going into limp mode as a result of a transmission malfunction or it may be going into limp mode as the result of an engine control problem. The only way to find out is to scan your onboard computer system and retrieve any engine or transmission fault codes and diagnose and repair accordingly.

Please note that engine control problems can CAUSE transmission control problems. If there are any engine control faults, these MUST be diagnosed and repaired FIRST.

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May 30, 2011 | 1996 Chrysler Cirrus

1 Answer

Glowplug light


Hi ,
You need to have the fault codes read,this will point you in the right direction,the revs die as it is going into limp home mode to protect itself,by turning the ignition off and then on you reset the ecu untill it detects the fault again.

Jul 13, 2009 | 2000 Ford Focus

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