Question about 2000 Ford Focus

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Blocked Passage on ERG System, or Failed ERG Valve, or ERG solenoid Faulty

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  • jpturner Sep 22, 2008

    I have a 2001 Ford Escape. I was loosing acceleration (car will go into all gears and shift going downhill) and the EGR valve blew out. Replaced the EGR valve and within a mile of test driving the new one blew out. Anyone had this problem?

  • Anonymous Mar 17, 2014

    limp mode erg valve blocking

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  • Master
  • 321 Answers

Very common on Ford engines with EGR codes is the tube inside the intake manifold that takes unburned exhaust gasses and recirculates them back into the engine for reburning,the tube becomes restricted from hydrocarbons and just plugs up.The intake manifold and tube has to be removed and thoroughly cleaned.

Posted on Jul 26, 2008

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00 Camry 2.2 egr problem po 401 low flow new egr valve new solenoid new transducer new map clean passages. I don't know what else to do


Here is an overview for the code as it relates to Toyota cars.
I would go back and make sure the tubes and pipes are clear.
In most cases, the passage is plugged up, or the sensor does not "see" the flow.

Possible causes
- EGR passage clogged
- Faulty EGR Vacuum Modulator Valve
- Faulty EGR Valve
- Faulty EGR solenoid valve
- EGR solenoid valve harness is open or shorted
- EGR solenoid valve circuit poor electrical connection
- Dead (Weak) battery
- Faulty EGR temperature sensor and circuit
- Exhaust gas leaks


Read more: http://engine-codes.com/p0401

Sep 05, 2014 | Cars & Trucks

2 Answers

Why is codes p2106 p0401 on?


P2106 THROTTLE ACTUATOR CONTROL SYSTEM,-PO401-EGR INSUFFICIENT FLOW

May 29, 2014 | 2005 Ford Explorer

1 Answer

Abs code PO411


That is not an ABS system code, it is a powertrain fault code.P0411 - Secondary Air Injection System Incorrect Flow Detected, most common cause is a failed electric motor in the air injection pump.
The pump is under the hood.
Other Possible causes- Faulty Vacuum hoses damaged
- Air bypass solenoid harness is open or shorted
- Air bypass solenoid circuit poor electrical connection
- Air bypass solenoid leaking/blocked or stuck open/closed
- Air diverter valve leaking/blocked or stuck open/closed

Sep 14, 2012 | 2008 Chevrolet Trailblazer

1 Answer

I had a diagnostics test don't on my 1997 Chevy Lumina. It showed several problem 1) Blocked passage on EGR system, Failed EGR valve, EGR solenoid faulty, Failed EGR pressure sensor where applicable...


All that Failed EGR valve, EGR solenoid faulty, Failed EGR pressure sensor and failed EGR vposition sensor may be telling you that is the EGR valve is faulty and not that it is loaded up with carbon. But I know you don't want to hear that as that EGR cost more than a can of carb clean and I don't blame ya!

If yoy have a multi meter, check out easyautodiagnostics.com, go to the GM section for your motor, chose test EGR and there should be an explanation on how to run some test on your EGR before you buy a new one.

Sep 04, 2011 | 1997 Chevrolet Lumina

1 Answer

I took my 200 honda accord to auto zone to get a diagnostic done. the code was p1259. the ticket printout listed 4 things that would be probable cause. 1.open or short circuit condition 2.vtec solenoid...


CHECK VTEC SWITCH OIL PRESSURE.SHOULD BE 50 PSI @3000 RPM FOR THE S2000 OIL PRESSURE SHOULD BE 85 PSI @ 3000 RPM. IF OIL PRESSURE OKAY HAVE TO BE EITHER VTEC SWITCH FAULTY OR VTEC SOLENOID HAS FAILED.SOME TIMES PCM HAS FAILED TO THAT CONTROL CIRCUIT.

Apr 12, 2011 | 2000 Honda Accord

1 Answer

I have a 2000 gmc jimmy that started running very rough the other day. I am getting a lot of noise from the muffler collapsing on itself then popping back out. Check engine light is on went to autozone for...


well you could remove it and put a hose on it and either **** on it or hook it up to a vacuum and see if it moves up and down, if it don't move it has a bad diaphram

Jan 17, 2011 | 2000 GMC Jimmy

1 Answer

Car is idling rough sometimes, had it on a machine that said it was the egr valve we put one on and it is still idling rough at times said either egr valve faulty , blocked egr passage egr boost sensor...


make sure you check the whole egr system,including,egr solenoid,egr feedback sensor,evp,all of them have to be allowing sufficient flow,just replacing the egr might not correct.also check and clean the isc sensor could be faulty or dirty,that controls your stable idle.









TIM.......

Oct 23, 2010 | 2002 Ford Explorer

1 Answer

I have a 2002 Chrysler 300m diagnosed with a faulty Egr valve. I checked Dealers and Aftermarket places for another Erg valve but so far unsuccessful. Is my present Egr valve repairable and if so where is...


The valve passage maybe clogged. You can take the valve off and clean it out (kerosene and a brush/rag and that MAY help. You should be able to get the EGR at Auto Zone or NAPA-but it will most likely be costly.

Mar 11, 2010 | 1999 Chrysler 300M

1 Answer

I have a ford explorer sport 2002 and my chek engine light came on it put out a code PO401 do you know what i need to buy


PO401 code means that:
The PCM has determined that there is insufficient flow in the exhaust gas recirculation system. Definition: EGR system fault (Exhaust Gas Recirculation) Probable Causes: a. Blocked passage on EGR system b. Failed EGR Valve c. EGR solenoid faulty d. Failed EGR pressure sensor where applicable e. Failed EGR position sensor where applicable

Mar 08, 2010 | 2002 Ford Explorer

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