Q: An EGR valve has an error and my engine is stalling out when started.

asked by on

Was getting very poor gas mileage was told to wait for check engine light. Started stalling out when started for frequent stores and sure enough check engine and traction control light came on. Ran my expensive scan tool and gas recirculation insufficient egr valve error code came up. Replaced egr valve brand new cleared code and 2 days later same problem.

My car has 182000 miles.
My car has an automatic transmission.

Hi there. Check the power to the Exhaust Gas Recirculation (EGR) Valve and see if there is a voltage reference. If there is a voltage reference, then back probe the EGR Valve wiring harness plug with the engine running and see what the voltage return reference is. At idle and mild rpm’s, there should be no voltage, keeping the valve shut. If there is a no voltage, then remove the battery cable (-) negative and remove the harness from the computer. Check resistance from the EGR Valve harness plug power supply end and the harness to the computer. If there is a high resistance or the meter reads out of limits (OL), then there is a break in the wire and the wiring harness needs repaired or replaced. If the circuit has 0.5 ohms of resistance or less, then the PCM (computer) needs replaced for it has lost power to the EGR Valve circuit. If you need further assistance with diagnosing your EGR Valve issue, then seek out a professional, such as one from Your Mechanic, to help you.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. An EGR valve has an error and my engine is stalling out when started.

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: Car slowing and stalling

The oil lamp will illuminate whenever engine oil pressure is too low. The battery light will also illuminate whenever voltage is too low. The problem may be with your vehicle charging system i.e., your alternator. If your oil level is...

Q: Radiator issue with my car.

Generally a radiator is not going to cause a car not to start - it is only a heat exchanger for the engine coolant. I think your problem would be more drivability in the fuel (fuel pump injectors fuel lines)...

Q: Q: Overheating problem with car.

I believe you are referring to the serpentine belt radiator cap or the power steering cap fell off. I would have a mechanic such as one from YourMechanic come out and have the car inspected to determine what needs to...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
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.