Question about 2001 Toyota Camry Solara

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EGR problem on 2001 Camry??

2001 Toyota Camry, Auto, 4cyl. Car has 92xxx miles on it. Just bought it and within a week the check engine light comes on. The code is for a EGR, not reading properly. I put a brand new OEM egr valve, clear the code and it came back. I then put a new OEM egr valve assy on, clear the code and with in 15 miles the code is back. My next move is to change the vacumn lines going to and from the egr valve but i dont think that will fix it, ideas?

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Replace filter in EGR Modulator located to the left of EGR valve.
How do you clean the intake port below the EGR valve?

Posted on Aug 19, 2010

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  • Toyota Master
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DID YOU CLEAN the EGR air passage tube?

Installed NEW gasket?

===

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
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


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


Cheers,

Mustgo

Posted on Dec 19, 2009

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  • Toyota Master
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CHECK THE INTAKE PORT WHERE THE EGR VALVE IS REMOVE FROM.LOOK FOR CARBON BUILT UP IN PORT.CAREFULLY CLEAN OUT CARBON BUILT UP.ITS BLOCKING EGR VALVE FLOW.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

SOURCE: P01420 Code - 2001 Toyota Camary

Have had similiar problem w. 2002 Highlander.
It happens when the airfilter comparment is touched, moved or opened. The hose attachment comes lose and the engine light comes on. Attached hose to airfilter casing a little tighter and the light will eventually go off. Takes about 2 weeks to go off.

Posted on Aug 30, 2008

motor1258
  • 6674 Answers

SOURCE: OBD code 0401 (1997 Toyota Camry 4 cyl)

There is a VSV (vacuum switching valve) , usually mounted on the back side of engine block, under the intake manifold, as well as the map sensor, that can also cause that code if one or the other is faulty. It takes some pretty detailed troubleshooting to confirm this in some cases, so if that's not in your line of work, you may have to have it properly diagnosed, or take a 50/50 shot at which one first.

Posted on Jan 24, 2009

toneman2121
  • 775 Answers

SOURCE: check engine light on-code says egr valve is bad

the egr system consists of control circuits as well as the egr valve itself. troubleshooting will have to be performed in order to pinpoint the fault. the valve may just need cleaning. there may be damage in the long run since the egr system introduces exhaust gas to the air intake to reduce combustion temperatures.

http://www.aa1car.com/library/egr.htm

Posted on Apr 21, 2010

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