Dakota Quad Cab 2WD V8-5.9L VIN Z LDC (2002)
Fig. 3 Ignition Coil - 3.9/5.2/5.9L Engines - Typical
4. Inspect ignition coil connections. Verify coil secondary cable is firmly connected to coil (Fig. 3).
5. Verify distributor cap is correctly attached to distributor. Be sure spark plug cables are firmly connected to the distributor cap and the spark plugs
are in their correct firing order. Be sure coil cable is firmly connected to distributor cap and coil. Be sure camshaft position sensor wire connector
(at the distributor) is firmly connected to harness connector. Inspect spark plug condition. Refer to Ignition. Connect vehicle to an oscilloscope and
inspect spark events for fouled or damaged spark plugs or cables.
6. Verify generator output wire, generator connector and ground wire are firmly connected to generator.
7. Inspect system body grounds for loose or dirty connections. Refer to Connector/Ground Locations under Electrical for ground locations.
Fig. 4 PCV Valve Hose Connections - 3.9/5.2/5.9L Engines - Typical
8. Verify Positive Crankcase Ventilation (PCV) valve operation. Refer to Emission Control System for additional information. Verify PCV valve
hose is firmly connected to PCV valve and manifold (Fig. 4).
9. Inspect fuel tube quick-connect fitting-to-fuel rail connections.
10. Verify hose connections to all ports of vacuum fittings on intake manifold are tight and not leaking.
11. Inspect accelerator cable, transmission throttle cable (if equipped) and cruise control cable connections (if equipped). Check their connections to
throttle arm of throttle body for any binding or restrictions.
12. If equipped with vacuum brake booster, verify vacuum booster hose is firmly connected to fitting on intake manifold. Also check connection to
brake vacuum booster.
13. Inspect air cleaner inlet and air cleaner element for dirt or restrictions.
14. Inspect radiator grille area, radiator fins and air conditioning condenser for restrictions.