1998 Mercury Villager P0305 Missfire Diagnosis and Solutions
I own a 1998 Mercury Villager experiencing a persistent missfire on cylinder #5, indicated by the P0305 diagnostic trouble code. I have already replaced the distributor cap, rotor, plug wires, and spark plugs. Despite these repairs, the issue persists. What should I check next to resolve this problem? Possible causes include fuel injector performance, engine compression, or ignition coil issues.
Check the fuel injector for cylinder #5 and verify engine compression in that cylinder as these are common root causes of P0305 missfires in 1998 Mercury Villager models.