Skip the auto shop - Our mechanics make house calls

Q: Misfire on cylinder four

asked by on

A diagnostic code shows a misfire on the number four cylinder. And the engine runs rough, and the brakes need work.

A: The number four cylinder would need to be c...

The number four cylinder would need to be checked for the misfire to see if it needs plugs, coil, or coil boots to fix the issue. It could also be that the plug has come loose, or blew out of the spark plug hole. I recommend that you have a mechanic, such as one from YourMechanic, come to you and run a diagnostic check on your cylinder misfire, and perform a complete brake inspection.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Speedometer and odometer off

There are speedometer calibration tuners available for the Ranger. Hypertech makes one; it is typically used for calibrating for different-sized tires. According to Hypertech, this will correct the odometer reading as well.

Q: My truck has a violent shake, rapid onset, massive white smoke, increases shaking with turbo charger pressure increase, and has an error code of p0303.

Hi there. If you are having a misfire on cylinder number 3 and the injectors are new with the fuel lines cleaned out, then the exhaust valve is burned on cylinder number 3 and needs replaced. This is why there...

Q: Slave cylinder leaking

The hydraulic system used on your Honda is the same as your brake system. If there are leaks in the system and air in the lines, the pressure plate cannot be engaged or disengaged which is required to operate the...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.