1. Disconnect the ground cable from battery.
2. Remove the generator. 
3. Disconnect the connector from EGR valve, and remove the EGR valve from intake manifold.
FUEL INJECTION (FUEL SYSTEMS)(H4DO 1.5) > EGR Valve
1. Disconnect the ground cable from battery.
2. Remove the generator.
3. Disconnect the connector from EGR valve, and remove the EGR valve from intake manifold.