7 - 33FITHROTTLE BODIESCAUTION:The throttle bodies should not be disas-sembled unnecessarily.CHECKING THE INJECTOR1. Check:• injectorDamage → Replace.CHECKING THE THROTTLE BODY1. Check:• throttle bodyCracks/damage → Replace the throttlebodies.2. Check:• fuel passagesObstruction → Clean. a. Wash the throttle body in a petroleum-based solvent.Do not use any caustic carburetor cleaningsolution.b. Blow out all of passages with compressedair.