What causes Ford Fiesta to misfire?
The 2 cylinder misfire is the most common fault caused by the engine ECU for the fifth generation Fiesta (2002 – 2008), the fault is originally caused by a faulty ignition coil pack that spikes voltage back to the engine ECU and blows the ignition output circuits for 2 of the cylinders.
How long do Ford ignition coils last?
around 100,000 miles
The ignition coil on your car is supposed to last around 100,000 miles or more. There are a number of factors that can lead to this part become damaged prematurely. Most of the newer cars on the market have a hard plastic cover that is designed to protect the coil from damage.
What does the coil pack do?
A coil pack is a collection of ignition coils that transforms power from the automobile’s battery to generate spark to individually fire each cylinder. In most 4-cylinder engines today, a wasted spark ignition system sends a spark to opposing cylinders on intake and exhaust strokes simultaneously.
Are Bosch ignition coils good?
Bosch Coils Very good quality ignition coils. I personally like all Bosch products so swapping out the Delphi coils for Bosch coils was a reliability upgrade in my opinion! The car is running great without an. Read full review…
What happens if you have a bad coil pack on a Ford Fiesta?
A bad oil pack can make your Fiesta almost un-drivable. Or it may have little effect at all on the engine’s ability to run. It’ll get worse as they lose their ability to fire the spark plugs. Coil Packs take the place of the distributor and coil in older vehicles. They receive instruction from the engine’s computer on when to fire the spark plugs.
Can a bad coil pack cause a spark plug to fire?
Coil Packs take the place of the distributor and coil in older vehicles. They receive instruction from the engine’s computer on when to fire the spark plugs. The symptoms of bad coil packs are almost the same as bad spark plugs.
What happens when you hit the gas on a Ford Fiesta?
As you hit your Fiesta’s gas pedal, the fuel and ignition systems respond. If acceleration has diminished, it should be felt. The less cylinders that your engine has, the more that one cylinder not firing properly will have an effect on engine performance.