Check your EGR valve Check EGR valve
Possibly a plugged EGR valve. and your all noobs.
I have a yellow oily substance in my egr valve. What could it br?
The 1999 doesn't have an EGR.
No but if there is still an EGR valve problem then its the EGR Valve switch located at the back of the motor. I replaced my EGR valve 2 times before I figured out it was the electrical switch, which had burnt up, for the egr valve. I havent had a problem with the EGR since then..
Carbon build up. Sticky or stuck EGR valve. Vacuum supply line damaged/leaking. Faulty EGR valve. Faulty EGR Position sensor/wiring.
you need to replace the egr valve it is located on top of the motor on the left side you need to replace the egr valve it is located on top of the motor on the left side. Most of the time it is the vacuum lines that come off the EGR valve that makes the check engine light come on. I changed my EGR valve and the engine light is still on with a code that said low vacuum check out full size bronco.com they can answer any question you have
No.
A 1997 Dodge Ram did not have EGR.
take the EGR valve off and spray carb cleaner in the egr valve and in the port. This will some times work as it gets plugged up
Trouble code P0401 means: EGR System Malfunction Replace the EGR Valve
it usually means the the EGR valve needs to be replaced. If your car is "bucking" on start up then for sure it is the EGR valve.