Question about 1995 Lexus ES 300
The EGR can be checked by putting vacuum on the line while the engine is running. The easiest way if you don't have a vacuum pump is to take the hose off and **** on the fitting with your mouth. (I agree that it's not really sanitary but sometimes you do what is needed) You may be able to borrow a hand vacuum pump from a parts store for a small fee. If the engine stumbles or runs rough when you pull vacuum, the EGR valve is bad. The next thing would be to check the EGR modulator. It is located right next to the EGR and has 3 hoses coming off it. You need to remove the modulator and put vacuum to the port on the bottom. Same process as the EGR. If it holds vacuum, it is good. If not, replace it. The modulator should be less than $100. If they can't find it for your car, a Camry SE V6 for the same year will fit.
Posted on Sep 28, 2010
This code is usually caused by blockage and can often be cleared just by cleaning out the passages. Unfortunately I cannot find the procedures for you car. If you want to try cleaning, perhaps you can get a repair manual. The code can also be caused by the EGR valve or solenoid, but these can be tested for proper operation. Did they test them? Which part did you already replace? I don't know why they quoted the sensor, as the sensor is giving a reading, albeit a low flow reading. There is an aftermaket valve for $175, but I could not find a price on the vac solenoid.
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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