Why is the spark plug not firing for cylinder 6?
The spark plug is not firing for cylinder number 6 due to fouling or cracks in the insulation. The ignition coil for cylinder number 6 has stopped firing due to cracked insulation or open circuit. The spark plug wire or plug boot is leaking ignition spark to ground for cylinder number 6 from age.
What can cause a misfire in a Ford 3.0 engine?
A misfire should be diagnosed from the simplest and most likely to the more complex. A worn or dirty spark plug is the first thing to inspect. If the spark plugs are OK, then the entire ignition system from the plug wires to the coil and the control module would be suspect. Look for any cracked or loose vacuum hoses and any other vacuum leaks.
What to do if a cylinder 6 misfire?
Replace the faulty spark plug or replace all spark plugs as a set if failure was due to a worn out plug. Replace the leaking valve cover gasket then replace the failed coil, plug wires, and plugs. Replace the ECM for a bad circuit that powers the fuel injector or coil for number 6.
What causes a cylinder 6 to malfunction?
The spark plug wire or plug boot is leaking ignition spark to ground for cylinder number 6 from age. The valve cover is leaking oil into the spark plug holes and shorting the spark plug ignition for the number 6 cylinder. The cylinder has problems with compression being low from defective rings or valves.
Why does my Ford Ranger engine not start?
There are a lot of issues that can cause your Ranger to crank, but not start. The engine needs air, fuel, and a spark in order to run. It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code.
What causes the p0306 trouble code on a Ford Ranger?
There are quite a few things that can cause the P0306 trouble code to trigger the Ford Ranger. Here are the most common problems that may cause it. They are presented somewhat in order from most to least likely to be causing the code: Bad Spark Plugs – Spark plugs are one of the most common causes of P0306.
What does cylinder 6 on a Ford Ranger mean?
Mileage may suffer as well when your Ranger has P0306 as well. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order.
What kind of spark plug do I need for my Ford Ranger?
Spark plugs have the simple job of starting the combustion process in your engine. However, not all spark plus are made the same way, and choosing the correct type of spark plugs for Ford Ranger is important. The ceramic insert on the inside of the plug is smaller in hot plugs.