Question about 1998 Toyota Camry

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Can a bad egr valve cause the traction control light and a check engine lightto come on in my 1998 camry?

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It could the check engine light but you traction control is something totally different.

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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The vtm4 light went on( I think by itself ) will not disengage the malfunction light is also on now air & heat works one day then dont work for a day or two how do I unlock the switch ?


Honda Guy had this to say;
When operating normally your VTM-4 light means the vehicle is in traction control mode. HOWEVER, if the light just came on when you were driving it is an indication that you have a problem with the engine that is causing the VTM system to think the vehicle is in traction control mode because of a loss of engine power or misfire.

Here's how that happens: on a Honda, the way the vehicle restores traction is by reducing engine power to the point where the wheels don't spin as fast and thereby restores traction to a slipping wheel (slipping wheels spin faster than the other wheels). Conversely, when there is a reduction in engine power that is abnormal, the VTM system "thinks" that the engine power is being reduced to restore traction and it triggers the light.

In almost all cases, the light is being triggered by an idle speed control valve malfunction or in some cases by an EGR valve malfunction. It may or may not turn on the check engine light. This problem was fairly common on Pilots in 2004 and 2005 but certainly isn't limited to just those years.

Take the car to a Honda dealer or to a mechanic and have them check for stored codes in your powertrain control module. I think you're going to find that there is a code for an idle speed control valve malfunction or an EGR valve malfunction. The idle speed control valve is warranted for 8 years or 80,000 miles; the EGR for 3 years or 50,000 miles. Your Pilot is probably still in warranty and if so the repairs would be made at no charge

hope that helps
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Jan 16, 2016 | Cars & Trucks

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My check engine light and vtm light are on in my 2008 Honda Pilot I checked the codes it's saying the egr valve is bad would that cause the Vtm light to come on to


Yes, the VTM-4 module will light up.

Here's the deal; when you manually turn on the Variable Torque Management-4 system, the light to the console switch is illuminated- letting you know that the vehicle is in traction control mode- and it is functioning properly.

However, if you did not manually activate the VTM, and your cruising along under normal driving conditions, but you start experiencing engine problems, like when the Exhaust Gas Recirculation valve starts to malfunction, this malfunction will cause the engine to misfire and lose engine power.

When this loss of engine power occurs, the VTM perceives that the engine power is being reduced to restore traction to the car's drive line (axle and wheels)- so it triggers the light to go on.

The triggering of the VTM could also happen when the idle speed control valve malfunctions.

So once you have the EGR valve replaced, the codes on the OBD module should be cleared; the check engine light will turn off; and the VTM system light will turn off too.

Jul 04, 2014 | Cars & Trucks

1 Answer

Idles rough in reverse


either your EGR valve, but then you would also receive a traction control/stabilitrack light, or you could be due for spark plug and ignition wire/spark plug wire replacement(tune up)
I have a 2008 torrent that was doing the same thing but I also had my EGR Valve causing the stabilitrack/traction control light to come on. I thoroughly cleaned my EGR tube, ports in engine and EGR Valve as well as the air intake(all with carb cleaner) then reassembled and changed my spark plugs and ignition/spark plug wires. with NGK parts. solved my problem so I hope this will help you as well

Jul 11, 2013 | 2007 Pontiac Torrent AWD

1 Answer

I have a 1998 ford escort with a check engine light on and can't get it off


Here is a list of possible causes. Some things you have already done.

EGR solenoid valve harness is open or shorted
- EGR solenoid valve circuit poor electrical connection
- EGR volume control valve stuck closed
- Faulty EGR Pressure sensor
- Faulty EGR temperature sensor and circuit
- Faulty EGR Valve
- EGR passage clogged
- Exhaust gas leaks
Read more: http://engine-codes.com/p0401_ford.html#ixzz28fATCih2

Oct 07, 2012 | 1998 Ford Escort

2 Answers

Can the EGR valve affect your rear wheel traction? My TOD check light is on and the rear wheel light. Autozone said it was the EGR. If I give a little too much gas, my rear wheels grab traction like I am...


EGR has no relation to your rear traction. EGR is emission only related, typically clogged EGR valve. I'd also have the traction control system checked!!

May 10, 2010 | 2000 Isuzu Trooper

3 Answers

Code P0401 EGR Insufficient Air flow detected - 2000 Toyota camry


how I change the EGR valve assist switch for toyota camry 2000

Jul 29, 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

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.

Jan 24, 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

1 Answer

Camry 1998 model problems stalls at lights


Most likely, you either have a bad IAC (Idle air control) valve, or a partially stuck open EGR valve; either can cause your problem. You will need some further diagnosis to determine exactly which is you main problem.

Sep 29, 2008 | Toyota Camry Cars & Trucks

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