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P0401 Diagnostic Trouble Code Discussion for January 2008

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
1997 Toyota Corolla 1.6L No Start VIN: 1NXBAO2EOV
P0401: insuf.egr flow. Car belongs to girl who goes to school in warmer climate,she is home for holidays in Idaho.Since she has been here,car will not start cold after setting out overnight.Dad installed a block heater and it will start right up if plugged in overnight.Unfortunatly ...
January 07, 2008
1998 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF1723W
P0401: Continous Memory. EGR insufficient flow detected. This truck keeps setting a code for insufficient EGR flow. I've done all the basic checks and everything checks out ok. EGR valve almost kills the engine if opened manuelly. I suspected stopped up EGR ports even though there is no evidence to support that. Rem...
January 08, 2008
2003 Ford F-350 Super Duty XLT 6.0L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1FTSX31P03
P0401: Insufficient EGR Flow Detected. Hi, truck came to me with a check engine light on, truck stumbles on a regular basis. Stalled on me once. Had 5 codes stored in memory with no hard codes on a koeo test. Did a koer test with no codes. Codes in memory were 401 1328 2285 2614 2617. On a road tes...
January 08, 2008
1998 Audi Cabriolet 2.8L MIL Lamp on VIN: WAUAA88G9W
P0401: insufficient egr flow. reocurring p401 ,no success 3times fixing
January 16, 2008
2003 Suzuki XL-7 Touring 2.7L MIL Lamp on VIN: JS3TX92V33
P0401: Exhaust Gas Recirculation Insufficient Flow. I have this suzuki XL7 that keeps repeating a po401 egr flow code. pulled egr and part of intake to make sure ports were clear and they were, I have power getting to egr on both terminals. Put on new EGR. checked voltage at map sensor and it looks ok. It keeps...
January 29, 2008
2000 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEFM59S1Y
P0401: egr low flow. well we have a 2000 mercury sable at our shop.a few weeks ago.it came in with code po401 low egr flow.egr valve was stuck.we replaced egr valve and egr vacuum regulator.car came back in 2 days later same code.open the hood the two lines one green one red that ...
January 30, 2008