Rick's Free Auto Repair Advice

Posts Tagged: Windstar misfires

Misfire Ford Windstar

Misfire Ford Windstar with the 3.8-litre engine This problem may be easier to diagnose than to repair. The exhaust gas recirculation (EGR) valve meters exhaust flow from the exhaust pipe to the intake manifold. From there, the exhaust flows through a small orifice at each individual intake port. Carbon buildup can block off these orifices. When that happens, the excess exhaust gas flows into other cylinders, causing misfires. To determine whether the misfires are EGR related, simply unplug the vacuum hose running to the EGR valve. Plug the vacuum hose … Read More

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