Question about 2002 Toyota Camry

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2001toyota camry codes po401 po402 replaced egr vsv modulor egr sticking

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 16 Answers

SOURCE: How to replace EGR valve on 2000 camry V6?

If you have a P0401 code from a CEL, the first thing is to check the EGR vacuum modulator. It is a little well usually next to the EGR. Pop the cap off and dust the little sponge inside. Sometimes this gets stuffed up with carbon particles and causes recirculation problems. You should clean the tubes hooked to it while you are there. Reset the code and see if the light comes back.

Replacing the EGR is not a tidy job. It is an expensive part to replace and you will disconnect the three hoses and dismantle it from engine by two nuts. Save it for the later if the previous trick fails to work.

Posted on Jan 19, 2009

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  • 14 Answers

SOURCE: Code P0401 toyota Camry 3.0 v6

replace the vsv that has the vacuuum hose running from it to the egr valve

Posted on Jun 05, 2009

  • 318 Answers

SOURCE: need a wiring diagram for a 1998 toyota camry for

Start car with egr disconected. You should hear a sucking noise from said hole. If not you must clear this hole and there is your problem. If it is open then all thayt is left is the egr valve itself. hth

Posted on Nov 15, 2009

Mustgo
  • 2359 Answers

SOURCE: po401 and po420 (95 toyota previa Van super charged engine)

Check for air leak into system after MAF.

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===


Check for loose or no connected vacuum hose(s).


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Posted on Dec 19, 2009

  • 97 Answers

SOURCE: 97 toy corolla DTC po300 po301 po401 po402

po300 random/multiple cylinder misfire detected po301 cylinder 1misfire detected po401egr flow insufficient po 402egr flow excessive

Posted on Feb 11, 2010

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1 Answer

Camry code PO402


p0402 is an egr code I would start with the egr valve

Jan 12, 2014 | 1996 Toyota Camry

1 Answer

I have the code PO401 AND PO402 codes on my 2002 focus, any suggestions?


PO401: EGR insufficient flow detected
PO402: EGR excessive flow detected

A code P0402 most likely means one or more of the following has happened:

The DPFE (differential pressure) sensor is faulty and needs to be replaced
There is a blockage in the EGR (most likely carbon buildup)
The EGR valve is faulty
The EGR valve may not be opening due to a lack of vaccuum

Feb 25, 2012 | 2002 Ford Focus

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Need to find out were the dpfe sensor is on my 1999 toyota camery with a v6 it has a code po402 and they say to check this sensor first


p0402 is egr valve flow excessive. egr valve needs cleaned or replaced also check wires etc. to vavle.

Apr 22, 2011 | 1999 Toyota Camry

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97 toy corolla DTC po300 po301 po401 po402


po300 random/multiple cylinder misfire detected po301 cylinder 1misfire detected po401egr flow insufficient po 402egr flow excessive

Feb 11, 2010 | 1997 Toyota Corolla

1 Answer

Need a wiring diagram for a 1998 toyota camry for the vsv. replaced the transducer and vsv still getting code p0401 erg flow insufficient. any suggestion?


Start car with egr disconected. You should hear a sucking noise from said hole. If not you must clear this hole and there is your problem. If it is open then all thayt is left is the egr valve itself. hth

Oct 06, 2009 | 1998 Toyota Camry

1 Answer

Po401 and po420 (95 toyota previa Van super charged engine)


Check for air leak into system after MAF.

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===


Check for loose or no connected vacuum hose(s).


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Sep 05, 2009 | 2001 Toyota Tacoma

1 Answer

1996 toyota camery code po401


Clean the EGR air passage tube.

Carbon built up is worst inside this air passage tube.

You will need Seafoam or WD-40 and LOT OF TIME to clean out this tube.

A vacuum will help speed up the cleaning.


Please post more information on the comment window.


Aug 11, 2009 | 1996 Toyota Camry

1 Answer

Code P0401 toyota Camry 3.0 v6


replace the vsv that has the vacuuum hose running from it to the egr valve

Feb 21, 2009 | 1998 Toyota Camry

2 Answers

2000 toyota camry v6 code p0402


The egr valve on that motor has a egr positioning sensor mounted on top. The sensor goes bad and the ecu can't determine the how far the valve is opening so it opens it too much. This causes surging of the engine under light throttle application. Also as stated above the egr can stick causing rough idle. Either way if you get the valve from the dealer it will come with the sensor solving both your problems.

Dec 23, 2008 | 2000 Toyota Camry

2 Answers

DPFE Sensor with codes PO401 And PO402


The DPFE is located near the EGR valve, it has 2 very thick silicone rubber hoses connected to it that come off the exhaust. It is rectangular and about 1/2 the size of a pack of smokes

Nov 12, 2008 | 2001 Mercury Sable

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