P0400 Diagnostic Trouble Code Discussion for March 2004
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 1997 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1867V P0400: EGR System Performance. This car came in with a PO400A code. It's a egr flow malfunction code. The service manual says that the computer will use the egr bypass valve to send vacuum to the egr valve. It then watches for a difference in the map sensor readings. If the computer sees a ... |
March 01, 2004 | |
| 1996 Ford Transit 2.5L Cuts out VIN: SFAEXXBDVE P0400: EGR Circuit Malfunction. ... after it has been running for awhile, that if you are driving at 3000 to 3500 rpms and decelerate the engine light comes on and engine stops. Switch ignition off then on again and engine restarts. The problem is very intermitent. The vehicle has been broug... |
March 21, 2004 | |
| 1998 Suzuki Sidekick JX 1.6L MIL Lamp on VIN: 2S3TD03V0W P0400: EGR System Fault Too Much Or Too EGR Little Flow). Vehicle has a DTC P0400 (EGR) setting during highway driving. Service bay testing reveals normal EGR operation (physically opening EGR pintle results in engine stall at idle, vehicle operation on hoist exhibits 'correct' EGR valve opening during light load ope... |
March 30, 2004 |
