Skip the auto shop - Our mechanics make house calls

Q: I just replaced my egr valve and notice while driving for a couple of minutes my Electronic throttle Control light starts flashing

asked by on

I just replaced my egr valve on a Dodge Charge 2008 3.5L engine and notice while driving for a couple of minutes my Electronic throttle Control light starts flashing, but the engine light is not on. If I turn the car off and back on the light goes away. What can cause the Electronic throttle Control to flash?

My car has 146000 miles.
My car has an automatic transmission.

A: Hello. There are several components that ca...

Hello. There are several components that can effect the electronic throttle control system. The issue may pertain to the recent work done, or may be a separate issue all together. The system depends on sensor inputs from all over the engine, and any one of them can give a reading that will trigger the throttle control warning light. The best thing to do is have the vehicle scanned for diagnostic codes. The light being on means the computer is trying to tell you something, and having that information can rule out a lot of options. Due to the recent repair, you should also make sure that the new EGR is installed properly. Any lose wiring connections or hoses will absolutely cause intermittent readings and a flashing effect. As the computer is always running tests, and so the light can turn off and on just as quickly. Do some more testing and take it from there.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: service engine light w/ wrench is on--EGR valve

Hi there - this is a relatively simple repair. The EGR valve is attached to the engine with 2 bolts, and is located on the top of the engine near the driver-side end. It is close to the air cleaner...

Q: Coolant issue - 2008 Honda Accord

Hello. When a car is low on coolant, even if you refill both the radiator and the reservoir, air can still be trapped in the system. After you run the car for a while, the trapped air is expelled and...

Q: Truck idling higher than normal.

I would recommend taking the vehicle back to the facility that replaced your TPS and ensure that the throttle body gasket was replaced as well. If the gasket was not replaced a vacuum leak may exist near your throttle body...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...