Disconnect battery negative cable. Drain cooling system. Disconnect accelerator cable from throttle body. On A/T models, disconnect throttle valve cable at throttle body.
On all models, remove air cleaner cap and airflow meter with air cleaner hose. Raise and support vehicle. Remove front exhaust pipe that fits between exhaust manifolds and catalytic converter. Remove alternator.
Remove retaining nuts and intake manifold cover, located above intake manifold. See Fig. 13. Disconnect necessary electrical connections and hoses. Remove retaining bolts/nuts, ISC valve, throttle body and gaskets. See Fig. 13.
Remove EGR valve and vacuum modulator. Disconnect spark plug wires at distributor. Remove retaining bolt and distributor.
Remove EGR pipe and gasket. Disconnect necessary electrical connectors and vacuum hoses from vacuum switching valve assembly located above intake manifold. See Fig. 13. Remove vacuum switching valve assembly.