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Code p1407 detected po1056 - X3 Series BMW Cars & Trucks

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SOURCE: 1994 Ford Thunderbird check engine light on auto with air

EGR has no flow.

Posted on Jan 11, 2009


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Code p0171,p1407

Firstly block off the EGR with a coca cola can somehow its not necessary ,as for the lean on one bank then read the OBDII with a code reader and with the engine running read the and compare the O2 values ,it may just be a defective sensor on that bank and as its a 96 then it might only have one O2 sensor and not two ,well either way the lean reading is the O2 sensor for sure but which one if two are fitted which it could well have as its a american market vehicle

Feb 07, 2014 | 1996 Ford Mustang

1 Answer

P1407 code 95 cougar

P1407 means EGR no flow detected. Is it a 4.6L ? I would check the vacuum lines first...disconnected, cracked etc. then clean out the EGR system (passages, EGR Valve), they are prone to getting stopped up with carbon.

Feb 16, 2013 | 1995 Mercury Cougar

1 Answer

I have a 2008 BMW X5 with fault codes U112B, U1101, P1407 and P1408. Can you help me identify what these codes are for?

You will have to google them, if you have no factory manuals

Some are manufacturer codes,not generic

Nov 23, 2012 | 2008 BMW X5 3.0si

1 Answer


P1407 FORD - EGR No Flow Detected
This is a very complex issue and will require a trip to the dealer for diagnosis.

Oct 09, 2012 | 1995 Ford Windstar

1 Answer

Wat is a P1407 fault code....I connected a scan tool to a 1996 mazda 626 and I got three fault code P1407,P0303,P0171.....I need help

p1407 is egr system no flow

p0303 is cylinder 3 misfire

po171 is fuel control system is lean

you might want to start by checking the mass airflow sensor bolts as they tend to come loose.and that should take care of the po171. check the hoses for the egr, if all is okay possibly the egr solenoid might be faulty. for the p0303 check the sparkplug on cylinder three and the spark plug wire, if you have an ohm meter you can check the resistance of the wire by hooking up your test leads to either end of the wire (after removing it from the engine) and make note of the resistance...then replace that wire and remove another one and test it the same way.. the results should be about the same, if you compare a shorter wire then the resistance will be slightly lower...just as if you test a longer wire it will be a little more. hope this helps

Mar 11, 2011 | 1997 Mazda 626

1 Answer

I have a 2000 hyundai accent with an error code of 1407. What does it mean and how do I fix it?

P1407 EGR No Flow Detected is what the code means. You will have to locate, replace or repair the EGR valve. I recommend the Haynes Repair manual as a reference.

Oct 17, 2010 | 2000 Hyundai Accent

1 Answer


P1407 EGR No Flow Detected
You could have a blocked or dirty EGR valve or tube from the manifold or a non functioning EGR sensor.

May 28, 2010 | 1995 Ford Mustang

1 Answer

DTC # 01-PO442 and P1407 are the codes that come up possible solution help

PO-442 EVAP Control System Leak Detected (Small Leak)

You will need to put an EVAP Smoke Machine, on system to find leak

P1407--Should be EGR related.

Most likely need new EGR Valve

May 23, 2010 | 2001 Ford F150 Styleside SuperCrew

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