Skip the auto shop - Our mechanics make house calls

Q: Warning lights appear and car goes into limp mode

asked by on

The stability control, airbag, and engine lights came on while I was driving a few days ago and when they did, my SUV went into “limp mode” and decreased in engine power. It was sudden and totally unexpected. Fortunately it did not cause an accident, but it could have and we would not have had any airbag safety. This has happened several more times before I could get the car into the shop. On the first visit, they told me that if the engine light was not amber or flashing, then it was safe to drive the SUV. It has been 30 days and my vehicle is ‘still’ in the repair shop. They have not found any solution for this problem. Can you give me suggestions and/or advice how I can get this problem fixed?

A: Hello. Limp mode is a feature that was set ...

Hello. Limp mode is a feature that was set in place to protect the engine and/or transmission from further damage, and to give the driver enough time to get off the road in the event of a serious engine malfunction. Most commonly, when a vehicle goes into limp mode, it is the result of there being a problem with one or more of the vehicle’s computers. There are multiple possibilities for why your vehicle went into limp mode. This could have happened as a result of a problem with the speed sensor, the manifold absolute pressure (MAP) sensor, the throttle position (TP) sensor, or the line pressure, shift timing, or sequence of the transmission.

However, these are only some of the possibilities of what may be causing your vehicle to be in limp mode. It is unusual that it has taken 30 days for the shop to diagnose this problem. The dealership might be a better alternative as dealerships have more access to information that may be necessary to properly diagnose this problem. They also have specialized computers that would be able to pinpoint the problem fairly quickly. My suggestion would be to have the car transferred to a dealership to have a proper diagnosis completed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I just did a pre-purchase diagnostic on a 2010 LR2 with 106.5k miles, which turned up no problems except "seepage" between the mot

Hi there. I haven't laughed this hard in a while....thanks for the "can this marriage be saved" line. But, your spouse does have a point. A Land Rover with any indication of seepage or a seal being damaged is a...

Q: Transmission issue, Overdrive light is on 2005 F150 4.6l.

Hello. We will be happy to help you.A flashing overdrive light means that the transmission is going into limp mode. Limp mode is a safe mode where the transmission will try to protect itself by limiting RPMS and acceleration. The...

Q: Emblem on steering wheel comes off, exposing airbag

Hey there. I would recommend not trying to reconnect the emblem and wait until you get to the dealer to have them fix to replace it. Keep emblem in your glove box. The air bag should not be affected at...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.