0
the p0401 code is for low egr pressure you a dealership will twell you you need to replace the egr valve also know as the dpfe sensor all you really need to do is clean out the line a pipe cleaner and a can of brake-parts cleaner will do the trick its simple and only takes about a hour of time
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
How do you troubleshoot P0401 and P0171 obdII fault codes on a 1997 Buick lesabre?
p0401 is lack of egr flow p0171 is bank 1 lean So we have two problems that are commonly related, often accompanied by high idle that will not return to normal. With out high idle problem you may have a pluged EGR or Vacume leak at the EGR system. THe High idle is definately a clue that you have leak in the EGR system.
What do engine codes P0153 P0171 P0304 P0401 have in common on a ford 4.0?
P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0171 System too Lean (Bank 1 P0304 Cylinder 4 Misfire Detected P0401 Exhaust Gas Recirculation Flow Insufficient Detected
What does the codes P0401 means on a 1999 Mercury Cougar?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Computer codes for 1998 dodge avenger?
I received these error codes for my 1998 Dodge Avenger, 6cyl. 2.5 What does these codes mean? Where would I start to fix these issues? ~THANK YOU ~ P0108 P1297 P0401
What do the codes po401 and po402 mean on a 1997 Ford explorer?
P0401 - EGR flow insufficient , P0402 EGR flow excessive
1998 escort 2.3 DTC P0351 ans P0401 help?
2.0L perhaps? p0351= intergrated ignition coil failure (possible # 1 coil failure or short, start/run circuit issue, bad PCM p0401= EGR (flow problem),valve problem, solenoid problem, possible hoses, maybe even the PCM
What is code p0401 for 2004 Chevy Impala?
P0401 = Insufficient EGR Flow
How do you fix error code p0401 vw?
simple buy a new car with no alarm like this...problem solve :P
How do you figure out what is wrong when you get a P0113 and a P0401 codes?
Easiest and cheapest(depending on where you live) is to go to a parts store and look in a Haynes manual for your make and model vehicle
What p0401 means?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Lincoln Navigator p0401 causes?
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
What isa fault code of P0401 on a 2002 Pontiac grand prix?
P0401 = Insufficient EGR Flow
