6-28Intake manifold012345678910AChecking the intake manifold1. Check the intake manifold. Replace theintake manifold if cracked or deformed.Checking the air pressure sensor1. Check the air pressure sensor exterior.Replace if cracked.2. Check the air pressure sensor electricalperformance. See “Checking the air pres-sure sensor” (5-32).Checking the ISC1. Check the ISC exterior. Replace ifcracked.2. Check the ISC electrical performance.See “Checking the ISC” (5-17).Installing the intake manifold1. Install new gaskets onto the intake mani-fold. Make sure that tab on the gaskets isproperly and firmly fitted into the grooveon the intake manifold.2. Install the pins a.3. Align the positions a with the pins awhen installing the intake manifold b.aaaaaab