P0401 Diagnostic Trouble Code Discussion for January 2009
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 1996 Lexus ES300 3.0L MIL Lamp on VIN: 3T8BF12G3T P0401: EGR System Insufficient Flow Detected. Lexus/Toyota Technicians. I have a 1996 Lexus ES300 that we cannot get the mil light off. The car came in on 12/22/08 for the mil light on. The technician found code po401 EGR flow insufficient detected. We replaced the EGR Valve pressure valve and cleared the... |
January 07, 2009 | |
| 1998 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K1W P0401: EGR System Insufficient Flow Detected. ... 2 weeks ago with code P0401, the first thing I did was check to see if the engine would stall if vacuum was applied to EGR valve, it did, then I ran the car on the lift with a vacuum guage "t'd" into the vacuum line at 2500 I had about 7" of va... |
January 09, 2009 | |
| 1996 Toyota Corolla DX 1.8L MIL Lamp on VIN: 1NXBBD2E0T P0401: egr low. The PCM will have commaned EGR on at normal load on light acceleration, then after a few seconds of steady "on" the PCM ground will toggle on & off for a few seconds, then steady on again, then the on & off routine repeats. I've driven the vehi... |
January 16, 2009 |
