1991 Toyota Pickup Repair Question
1991 Toyota Pickup EGR valve
1991 Toyota Pickup 4 cyl Four Wheel Drive Manual 178000 miles
How do you tell if a EGR valve is clogged up? and how do you clean it out if it is clogged up?
1.Remove EGR valve from the engine.
2.Check EGR pintle for carbon build-up and sticking. Use carburetor cleaner and compressed air to clean minor deposits.
3.Check the vacuum diaphragm for leaks with a handheld vacuum pump.
4.If a problem is found, replace the EGR valve.
5.Reinstall the EGR valve on the engine using a new base gasket.
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