When to replace spark plug and ignition coil?
Replacement of the corresponding spark plug and boot/wire is recommended if the ignition coil must be replaced If the ignition coil seems to be firing normally, turn the engine off and insert a known good spark plug in the boot/wire Restart the engine and have the assistant repeat the procedure Observe high-intensity spark across the spark plug.
Where is the number six cylinder on a car?
Consult a reliable vehicle information source for the location of the number six cylinder for the vehicle in question.
When do you apply ground pulse to ignition coil?
When the ground pulse is applied to the ignition coil (primary) circuit, the coil emits a high-intensity spark (up to 50,000-volts) for a fraction of a second.
How do you replace an ignition coil pack?
Remove the Torx bolt at the center of the ignition coil pack. Unplug the electrical connector from the coil pack. Note: The clip that holds the connector tight on the ignition coil can break very easily. If yours does break use self locking cable ties to secure the electrical connector to the ignition coil.
How long does it take to replace a Mercedes ignition coil?
Replacing Mercedes Ignition Coil Packs is easy. If you plan on replacing only one coil you will need less than 30 minutes. If you are going to replace all ignition coils (6 coils on V6, 8 coils on V8, 12 coils on V12) you will need a couple of hours.
Can a failed ignition coil cause engine damage?
When carbon tracking is found, the coil and corresponding plug should be replaced. It is also possible that a failed ignition coil can cause damage to the engine computer, or ignition control module. Commonly an engine computer detects a misfire by measuring the changes in crankshaft speed.
Can a misfire be a missing spark from an ignition coil?
The reality is that a misfire can be more than a missing spark from an ignition coil. Misfires that are below the vehicles threshold often pass unnoticed, but a constant misfire is hard to be overlooked by you or the engine management system.
What does p0304 mean on a spark plug?
If your vehicle is equipped with individual coil packs instead of spark plug wires, start by removing the cylinder 4 coil and swapping it with the cylinder number 1 coil. If the misfire moved to cylinder number 1 (P0301), then you have determined that the coil pack is faulty and needs replacement.
What does p0303 mean on a catalytic converter?
A code P0303 may mean that one or more of the following has happened: Faulty catalytic converter (s) If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back. If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs).