Tercel Sedan 2-Door L4-1456cc 1.5L SOHC (3E-E) (1991)
/Page-487001.png)
EGR Valve: Testing and Inspection
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.