Q: Engine misfiring and giving a code P0302.

asked by on

Engine misfiring. Recently had spark plugs replaced. I get a code P0302.

A: It sounds like you could have a bad coil pa...

It sounds like you could have a bad coil pack. Have a technician replace the spark plug wires and test the coil packs.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Would the crankshaft be the issue for the car losing power or misfiring gears?

Hi! It sounds like there are a number of things that could be going on with your Mountaineer. If you feel like it's in neutral when you're in drive, that is a transmission issue. You can start by checking the...

Q: Car won't start after changing water pump

It sounds like something was left disconnected during the repair. Without more information like whether it turns over or not, or if any lights on the dash are on, etc., I will not be able to give you a precise...

Q: Brakes not working at all - 1999 Jeep Wrangler

If your master cylinder is not losing fluid and you tried bleeding the system then your master cylinder is bad. The internal rubber cups got damaged when you allowed the pedal to go to the floor the first time. You...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
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...