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Start by replacing the DPFE sensor. Autozone about $35.00.
newtest3
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∙ 14y ago
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What does error code p1401 mean on a Ford Expedition?
insufficient egr flow
What does Error Code P1401 mean on a 1999 Ford Expedition?
insufficient egr flow
What do the codes po401 and po402 mean on a 1997 Ford explorer?
P0401 - EGR flow insufficient , P0402 EGR flow excessive
What is the meaning of Computer code p0401 in a 1999 ford f150?
might be the EGR VALVE insufficient flow
What isa fault code of P0401 on a 2002 Pontiac grand prix?
P0401 = Insufficient EGR Flow
How do you fix P0401 on a 01 Ford Focus?
po401 mean Exhaust Gas Recirculation Flow Insufficient Detected.
How do you repair the P0401 trouble code on a 2002 ford explorer sport trac?
The code means an insufficient amont of air flow to the egr valve. Sounds like a bad pump or a clogged hose from the pump to the egr valve.
Where is the mass flow air sensor in a 2002 Ford Ranger?
On a 2002 Ford Ranger : The Mass Air Flow Sensor is between the engine air filter and the engine air intake tube
What does P0401 code for a 1997 Ford Escort mean?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
What does the code p0401 mean on a 2002 Mercury Mountaineer?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
What does insufficient air flow mean?
Insufficient air flow means not enough air is moving for the task at hand. For example, a clogged filter will not let enough air through, creating insufficient air flow.
What does the error code P0401 mean for a Ford F - 150?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
