...PO401., i changed the egr pressure differential sensor., didn't helped. what's next....any ideas... Replacement engine put in with 51000 miles and now the engine light is on and the speedometer goes ...
...po401 EGR (insuffient flow detector) We took all the hoses off cleaned them up light went out about 1/2 hr after driving light came back on went back did the same thing with the same results light ...
...PO401,PO420 NEED TO FIX SO I CAN GET IT SMOGGED IN CA. P0174 means Fuel Trim too Lean (Bank 2) P0401 means Exhaust Gas Recirculation Flow Insufficient Detected P0420 means Catalyst System Efficiency ...
...PO401 (engine lignt insufficent egr flow)Is that right? I had contact the mechanic immediately after putting it back on machine and he is trying to charge $200.00 additional to clean. Your comment ...
...po401. i changed the egr valve, and now the po420 is gone. i just replaced the egr tube, cleared the codes, and now the po401 is back. car sounds better, but i wanna get the code and service engine ...
...PO401 IS INSUFFICIENT EGR FLOW DETECTED CONDITIONS. CLEAN CARBON BUILD UP OUT EGR SOLENOID PORT HOLE IN THE INTAKE MANIFOLD.REPLACE THE EGR VALVE SOLENOID GASKET.ANY TIME DISTURB REMOVE GASKET.IF YOU ...
PO401: Insufficient EGR Flow PO402: Exhaust Gas Recirculation (EGR) Excessive Flow Detected PO410: Secondary Air Injection System Malfunction PO420: Catalyst System Efficiency Below Threshold (Bank 1)
...EGR flow & P0455 Evap leak . am lookig for more info, to repair Google the codes Lots to read & study OBD2 PO401 OBD2 PO455 Think you will a repair shop to smoke the Evap for the ...
...PO401 Egr Flow problem. I looked for the EGR valve, but there is only a plate covering the spot where it should be. Not sure where to go from here. Any help would be greatly appreciated. someone ...
Po401 egr system circuit problem Most problems occur with the back pressure transducer the hose on the under side goes bad also but some times it is the control solenoid under the intake manifold that
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