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Astra 51 plate fault code p0400

I have a fault code po400 s11 can anyone tell me what this could be

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Posted on Jan 02, 2017

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SOURCE: getting an error code of p0400 on a vauxhall 1.7

PO 4OO Code is an EGR valve flow malfunction. It might be as simple as removing the valve and cleaning it.
Hope this is of some help to you
John

Posted on Sep 06, 2009

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SOURCE: 2003 astra 2ltr. dti engine code Y20 DTH . engine

Hi

Refer to this link for answer
http://www.obd-codes.com/p0400

Posted on Dec 10, 2009

  • 184 Answers

SOURCE: 1995 millenia fault codes PO400 and PO 115what has

Full info on p0115 @http://www.obd-codes.com/p0115

Posted on Feb 06, 2010

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1 Answer

I have 3 codes , po400, po443 & po135 have very low gas milage w/surging


PO135 is your EGR valve, P0400 = EGR Vacuum Leak, (EGR valve may need replacing, or may just have a hole somewhere in the EGR vacuum line ..
PO435 = Air Canister Purge. ( possible water in your air canister needs to be drained).

Jan 08, 2016 | Cars & Trucks

1 Answer

Po400 code


P0400 code is for EGR(engine gas recirculated) flow malfunction.
need to clean EGR canister.

May 02, 2012 | 1998 Nissan Frontier

1 Answer

I HAVE A MITSUBISHI MIRAGE 2000, IT HAS LIT THE CHECK ENGINE AND I TRY TO SEEK FOR THE PROBLEM, IT GIVES ME THE P0400 CODE, HOW CAN I FIX IT??


po400 is egr flow malfunction-- to fix, remove egr and clean the port where it sits, its probably full of carbon. then clean egr as much as you can. and check the wires to it. if above does not cure problem, replace egr valve. have a good day !

May 10, 2011 | Mitsubishi Mirage Cars & Trucks

1 Answer

I had a service engine light on a nissan altima to come on autozone said it was a dirty erg and also had a po 400 code. what is a po400 code


P0400 is Exhuast Gas Recirculation Flow Malfunction or restriction.This would be carbon build up in the EGR Valve.You can take it off and clean it with a non-chlronated brake cleaner and wire brush or scraper.Other option is to buy a new one.

Apr 20, 2011 | Nissan Altima Cars & Trucks

2 Answers

1995 millenia fault codes PO400 and PO 115what has to be done to fix these.


The P0400 has to do with a fault in the EGR (Exhaust Gas recirculation) system. The possible cause is leak or blockage, wiring, EGR Valve or EGR solenoid or the ECM.
P0115 has to do with the ECT (Engine coolant sensor) possible causes for this fault is wiring or the Engine coolant sensor itself or the ECM.
I believe I have the testing for both of these if you need them. Send me your email and I will send you the test procedures if you are familiar with how to use Ohm meter and a vacuum tester.
outdoorsman592003@gmail.com

Sep 15, 2009 | 1995 Mazda Millenia

1 Answer

Ck engine code po400


HI
P0400 :- (EGR) exhaust gas recirculation system -flow malfunction
the mine function of this system is economy of fuel and
keep clean air with low emission of bad gases and
hydrocarbon by recirculate the exhaust gas to the engine
intake to re burn the unburnt fuel
the problem cause from :-
hose leak \ blockage , wiring , EGR valve , EGR solenoid , ECM

WITH MY BEST WISHES

Jul 02, 2008 | 1996 Mitsubishi Mirage

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