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moparfl
moparfl, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 6330
Experience:  ASE and CHRYSLER Master Tech 30 years Chrysler Dodge&Jeep Dealership Exp
13195827
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2001 Chrysler: 3.8L..Check engine light came on (..next morning

Resolved Question:

I have a 2001 Chrysler Town and Country, 3.8L engine. Check engine light came on (for a hundred miles or so (end of 350 mile trip)), then next morning out. Then that evening (a few short drives later) back on. AutoZone plugged in computer, and it said OEM number P0403. More info from AutoZone's computer is EGR system fault. The ECM mhas detected a fault in the EGR solenoid circuit. Probable cause: Failed EGR vacuum solenoid, Open or short circuit condition on the EGR solenoid circuit, or EGR solenoid faulty. What is the likeliehood the the EGR solenoid and/or EGR valve, and how tough is that to replace. I used to work on cars 25 years ago (rebuilt chevy small and big block motors), but they have gotten much more complicated now. Thank you
Submitted: 7 years ago.
Category: Chrysler
Expert:  moparfl replied 7 years ago.
This is common to go bad on this model and the EGR valve comes with the soleniod and you can replace it in about 20 mins
Expert:  moparfl replied 7 years ago.
EGR Valve And Tube

REMOVAL
The EGR valve and Electrical EGR Transducer are serviced as an assembly.
  1. Disconnect vacuum tube from electric EGR transducer. Inspect vacuum tube for damage.
  2. Remove electrical connector from solenoid.
  3. Remove EGR tube bolts from EGR valve.
  4. Remove EGR valve from cylinder head adaptor.
  5. Clean gasket surface and discard old gasket. Check for any signs of leakage or cracked surfaces. Repair or replace as necessary.

INSTALLATION
The EGR valve and Electrical EGR Transducer are serviced as an assembly.

  1. Loose assemble the bolts from EGR valve to EGR tube.
  2. Loose assemble the bolts from EGR valve to cylinder head adaptor.
  3. Tighten bolts from EGR valve to EGR tube to 11.9 Nm (105 ±20 in. lbs.) torque.
  4. Tighten bolts from EGR valve to cylinder head to 22.9 Nm (200 ±25 in. lbs.) torque.
  5. Reconnect vacuum hose and electrical connector to electrical EGR transducer.
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