Question about Dodge Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: Engine light on in 2000
it is your EGR Valve.
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve
, an actuator solenoid, and a differential pressure sensor EGR (DPFE). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0401 code means that OBD detected an insufficient amount of EGR.
Causes A code P0401 most likely means one or more of the following has happened:
drivers side of the engine bay, just under the intake manifold plenum where the throttle body bolts up! If you take the air snokel off you'll see it better! It has a remote mountted vaccum solenoid with a 2 wire connector going to it that you should be able to see near the throttle body.
Follow the hose from the solenoid down to the valve and you'll find it!
hopes this helps-------lebones
Posted on Jan 06, 2009
I recently had the same issue, but my airbag warning lights also turned on. If this is the case, it might be the clockspring. There is a recall on clocksprings for Caravans 1998 - 2000 I believe. I got it replaced for free in the dealership. Enter your VIN in this site and it will tell you if you are covered in the free replacement warranty.
Hope this helps.
Posted on Mar 06, 2009
it is above the fuse box, but it must be programmed, so if you replace it the car won't start, might as well have the dealer do it.
Posted on Jul 25, 2009
The ABS control module is below the master cylinder ,under the hood.It is attached to the hydraulic unit.This is the one with the brake lines going to it.
Posted on Nov 19, 2009
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