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Codes p0400 Check engine cam on po400 code

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 90 Answers

SOURCE: ck engine

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

Posted on Jul 05, 2008

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sicaudio
  • 96 Answers

SOURCE: MERCURY 2000 ODB2 CODES P0400, P00A0, P0401

P00A0 is a factory readable only code (i.e. only ford dealers have the computer to read it)
the P0400 is a generic E.G.R. flow restriction code. so yes a dvom (multimeter) and a vacuum pump to diagnose it correctly, also check for loose wires as ford harness connectors are known to fail alot due to crappy phenolic content in the plastic and heat combined they can warp and / or corrode the contacts

Posted on Sep 26, 2008

  • 1 Answer

SOURCE: how to replace EGR valve on 99 Chevy Tracker

Take off your EGR valve and clean it out with carb cleaner also
grease tyhe little screw thing in it,,, u will c what i mean if u take it apart. carbon builds up in the chamber. it is located at the back left side of your engine and is a bit of a pain to take off. this should save u the cost except for the cleaner and labor. i had the same problem cheapest i found was 90$ on ebay.

Posted on Jan 17, 2009

  • 336 Answers

SOURCE: code p0400 keeps coming up after changing the egr valve and sol.

It may be that the passage to the exhaust is blocked also.

Posted on Aug 14, 2009

  • 1 Answer

SOURCE: I have a 1997 subaru outback legacy getting a

There is a tube that connects to the EGR valve that gets blocked up-take it off and clean it out

Posted on Oct 21, 2009

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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

2 Answers

What are the probable causes of DTCs P0400, P0171, P0174 y P0302?


DTC code PO400 could be caused by a clogged EGR valve or EGR tube. try cleaning the EGR valve, tube
DTC code PO171 is fuel system too lean bank 1
DTC code PO174 is fuel system too lean Bank 2
Most likely suspects are O2 sensors, But can be caused by vacuum leaks and also can be Mass airflow sensor (MAF) try cleaning with electrical parts cleaner
DTC code PO 302 is a misfire at cylinder # 2
Check spark plugs and wires
Try cleaning the EGR Valve first along with changing the spark plug first, and see if any codes erase, in other words start with the cheaper fixes first, as some problems can be causing the other other codes

Sep 18, 2015 | 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

PO400 check engine light is on seems to run normal what to do?


P0400 - Exhaust Gas Recirculation Flow Malfunction
The exhaust gas recirculation (EGR) valve is vacuum controlled valve that regulates the amount of exhaust gases that re-enter the cylinders. The powertrain control module (PCM) determines how much based on engine load, temp, and other conditions. If the PCM detects that the amount of exhaust gases entering the cylinder were insufficient or non-existent, this code is set.

No symptoms will likely be noticed by the driver other than the MIL (malfunction indicator lamp). However, non visible symptoms will be increased combustion temperature and increased Nox emissions. A code P0400 may mean that one or more of the following has happened:
- Plugged EGR passage which restricts the flow of exhaust gasses
- Faulty EGR solenoid
- Faulty EGR solenoid wiring/harness
- Vacuum lines damaged/disconnected to the EGR valve solenoid or to the EGR valve
- Faulty EGR valve

Check it and keep us updated.

Oct 07, 2011 | 1997 Mercury Villager

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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