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Could be many reasons. Assuming the check engine light is on, start with having the codes that are set read. That will help lead you to the cause.

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Q: What is wrong when the idle is fast and the car is in a limp mode?
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Related questions

How do you disable the limp mode on a 2002 vw jetta?

Most VW's only go into limp mode if there is a very serious problem. Limp mode is there to protect the engine, not to be an inconvenience. To disable limp mode would be to allow the engine to self destruct.


What is limp mode in a car?

Limp mode or (limp-in mode or limp-home mode)occurs when your computer in your car is not communicating with the sensors on your engine. On some cars(volkswagon Passat for example) If you disconnect the battery then the computer will lose all of the settings and will go into limp-in mode. The car will have little power and a top speed of only about 30 miles per hour. The function of limp-in mode is to get you to a place that can repair the car but the car is barely driveable.


How do you fix a 2008 Chrysler pacifica limp mode?

You have to repair the cause of the code that put it in limp mode.


How do you put a car in to limp mode?

is limp mode is when you put the car on donks or on 3 wheels using hydrolics


How do you get a 1995 Dodge Intrepid out of limp home mode?

fix the problom that put it in limp home mode then reset the computer


How do you get a 2003 Chrysler pt cruiser out of limp mode?

You have to fix the problem that caused the trouble codes that put it in limp mode.


What is limp mode in cars?

enables limp home without damaging the engine.


What does limp mode mean?

Something is so wrong with the computer on the car that it gives up trying to manage the engine's performance and defaults all settings to a barely acceptable level that will allow you to limp the car to the garage.


What is an idle mode?

Idle mode is when your computer isn't doing anything.


How do you set 2005 dodge neon pcm off limp mode?

You have to repair the malfunction that is setting the code that has put the computer in limp mode.


How much does it cost to get your car out of limp mode?

It would depend greatly as to why it went into limp mode. It would have to be diagnosted first before giving a price.


How do you get your 1995 Chevy 1500 out of limp mode?

The computer won't release it from limp in mode until the underlying problem is fixed and the trouble code cleared.