Question about 2005 Ford Explorer

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Limp home I have a 2005 Ford Explorer. The Engine Failsafe Mode is activated and the wrench light came one. Is my engine in serious trouble?

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  • 64 Answers

Yes

Posted on Mar 19, 2014

  • Dan Jacobs
    Dan Jacobs Mar 20, 2014

    How well does it run ? When this light came on were there any other symptoms. did you buy any fuel ? A code reader will give you some answers to why the light is on. the wrench light may just be a oil change reminder usually a service engine soon lamp comes on this is a yellow (amber) light .

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Posted on Jan 02, 2017

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bcharais
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SOURCE: failsafe engine mode

go to a parts store and have the codes read(most of them will do it for next to nothing. There is also more than likely some maintenance needed. get back to me when you have the codes and we can diagnose this together.

Just because there is a code does not necessarily mean that part is bad, but an area to test to find the actual problem.

Posted on Jun 04, 2013

jturcotte
  • 8589 Answers

SOURCE: hello im having a problem with my 2005 explorer

Hi, when a major sensor fails, the engine computer reverts to default settings that the engine will run on but only well enough to get you to a service station. This is often called "limp home mode." In every case I've heard of, the malfunction indicator will light and the computer will store a code indicating the missing sensor data. An OBD 2 scanner is needed to extract the code. If you can get the code and send it to us, we can advise you on appropriate repairs. Most auto parts chains offer a free OBD 2 scan service. Please let me know if you have more questions, and thanks for using FixYa.

Posted on Feb 06, 2011

  • 1779 Answers

SOURCE: limp home mode

You need to scan for engine trouble codes. Most parts stores will do this for free, and tell you what they mean and make recommendations on what to do. The 'limp mode' kicks in to prevent damage to the vehicle when the computer gets data that something is wrong.. When you shut it off, it's temporarily reset, but then the cars computer is signaling there is still a problem, and it goes back into limp mode. If you have any questions after getting the codes 'read' , post questions and code #;s here for help. Good luck.

Posted on Apr 28, 2009

  • 51 Answers

SOURCE: Enigine fail safe mode

Sounds to me like the mass airflow meter, cutting in and out. When faulty it can completely shut a car off, and also ingauge limp mode. I hope this helps. Let me know how you get on.

Posted on Jan 12, 2009

warlock61
  • 659 Answers

SOURCE: engine failsafe mode

does the engine completely shut off? It sounds like the electronic throttlebody is causing the problem.

Posted on Dec 02, 2008

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1 Answer

Engine Failsafe Mode is activated


It may be if you ignore the light. Check the oil level and coolant levels first if ok have the fault codes read to determine the sensor that put the light on. Repair it and go from there.. Normally the ECM goes into safe mode to protect the engine and gear box from serious damage but it depends on the driver to react promptly to stop further damage occurring.

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Customer Question

My husband wash the engine of our 2004 Ford Explorer. About 2 hours later the wrench light came on - which according to the manual it has something to do with the Electronic throttle control and now I guess it is running in default "limp-home" operation?? Sounds serious. What does this mean since there is no other explanation in the manual.
Hello and welcome to Just Answer!this vehicle uses an electric throttle control system and has no throttle cable or mechanical link between the accelerator pedal and the throttle body on the engine. This is commonly known as "throttle by wire". When the wrench light comes on, it signifies that there is a problem with the electronic throttle control system. The system consists of accelerator pedal position sensors, or sensor on the throttle pedal (there are more than one as back ups incase one fails), throttle position sensors out on the throttle body itself and there are more than one of these too and a throttle motor that actually opens and closes the throttle plate. If the system detects a fault in any of the sensors or the motor itself, it will turn on the wrench light and go into "limp mode". In limp mode, depending on what the computer thinks is wrong, it will either limit the throttle to about 35% or it will command idle and won't let the engine accelerate at all. It does this because when a sensor fails, the system's ability to control the throttle is compromised and as a safety meausre to keep the engine from accelerating when not commanded to do so, the throttle is limited. this problem is likely due to water intrusion into a sensor or an electrical connector. I never recommend using a water hose to clean an engine as water can infiltrate connectors and sensors and cause problems.This is not an easily diagnosed problem and if it doesn't go away when the water dries, will have to be taken to a diagnostic shop to be trouble shot and repaired.

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1 Answer

Hello im having a problem with my 2005 explorer the problem is engine failsafe mode?


Hi, when a major sensor fails, the engine computer reverts to default settings that the engine will run on but only well enough to get you to a service station. This is often called "limp home mode." In every case I've heard of, the malfunction indicator will light and the computer will store a code indicating the missing sensor data. An OBD 2 scanner is needed to extract the code. If you can get the code and send it to us, we can advise you on appropriate repairs. Most auto parts chains offer a free OBD 2 scan service. Please let me know if you have more questions, and thanks for using FixYa.

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Solution for the message "engine fail safe mode" in explorer 2005


I have hearing a lot of this lately with Fords. Most of the time this dash board light comes on due to problems with the Throttle Body (TB)not just your coolant,etc.. If it is sticking,dirty,causing misfires,etc. then this can cause an engine fail safe mode.You might first try putting in some injector cleaner and a higher grade of gas.Many people I know who have had this problem have had to have their TB cleaned and/or replaced. This is something Ford dealerships now about,but hasn't been made a recall or anything.There are service bulletins though.Mainly keeping cleaner in your gas and performing ritual tune-ups/oil changes may be the only thing you can do.Hope this helps

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1 Answer

My husband cleaned the throttle body on our F-150 Triron and he un hooked the battery to reset the engine light ,when he did that the wrench light came on and said it was in limp-home mode operation what...


Oops. This means you will not be able to drive very fast. The failsafe will kill several of the cylinders and use them to help cool the engine. It is designed to help get you going when the engine loses coolant.

If the engine light was on before, it was diagnosing a problem. If the engine light came on after something was sprayed into the throttle body, it has reacted with some of the sensors or Oxygen monitors.

Best you can do is get to an Autozone or Oreillys for a free scan and let them clear the computer for you.

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Sorry late reply - just seen this problem. The amber warning is basically saying a problem developing. The red and limp home action is showing more serious developement - But not always very bad news. Had car with same symptoms and it was a faulty sensor on engine, and another similar case was throtle position sensor. Get the car to a garage that can read the faults - so you know what the problem is that has been registered in the memory.
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U have some kind of serious fault, u need to go to the dealer.

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2 Answers

Enigine fail safe mode


Sounds to me like the mass airflow meter, cutting in and out. When faulty it can completely shut a car off, and also ingauge limp mode. I hope this helps. Let me know how you get on.

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