1993 Dodge Dakota Problems

RepairPal has identified the most common problems with the 1993 Dodge Dakota as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal area. Using fluorescent engine oil dye can be helpful in determining the source(s) of the oil leak.

Engine overheating can result from coolant leaks which are commonly found at the thermostat housing gasket, water pump, heater return tube O-ring at the water pump, intake manifold gasket, and timing cover gasket. Our technicians recommend a complete inspection of the cooling system after any repairs are made to be sure there are no other leaks.

The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops.  There is also a revised vacuum check valve available to address this concern.

On the 3.9L V6 and 5.2L V8, rerouting the ignition coil wire and spark plug wires can help solve a misfire and/or surge problem that occurs at approximately 45 mph. A service bulletin was published that outlines the specifics of the repair. It states the rerouting procedure should be performed before other repairs are done for misfires, surging or spark knock.

Fuel pump failures are common on higher mileage models, Resulting in a crank no start condition.

If the threads strip where the front brake caliper mounts to the steering knuckle, a steering knuckle repair kit is available. A new steering knuckle is not normally necessary.

On 3.7L V6 and 4.7L V8 engines the camshaft position sensor may fail causing the engine to crank but not start or it can cause intermittent stalling. A failed camshaft position sensor will require replacement.

A clunk or popping sound heard while turning may mean the intermediate steering shafts need realignment. Replacement of the upper intermediate shaft may be necessary.

On the 3.9L V6 and 5.2L V8, an intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

A surging or bucking during acceleration can be caused if the distributor is moved or mis-indexed. This is a result of the cam and crank position sensors being out of synchronization. Wear of the oil pump drive gear can cause similar symptoms because it allows excessive free play in the distributor drive. The distributor drive gear and bushing should be replaced if the rotor tip moves back-and-forth more than 3/16th of an inch when checking drive gear free play.

The distributor pickup plate commonly fails causing intermittent stalling, or the engine may not start (usually when the engine is hot).

On the 3.9L V6 and 5.9L V8 the engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.

On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.

Common areas for engine oil leaks include the camshaft plug, camshaft seal (sprocket end), valve cover gaskets, cylinder head gasket and distributor.

Coolant can leak from the area where the water pump mates to the water pump housing because the sealant degrades over time. Coolant can also leak where the water pump housing mates to the engine block, which is sealed with an O-ring.