Skip the auto shop - Our mechanics make house calls

Q: My check engine light came on with code P0303 (Misfire in the 3rd Cylinder), Can I drive it until next Wednesday without damage?

asked by on

I'm aware that the spark plug, spark plug wires, and coil pack are the starting point of diagnoses...would you be worried to drive the car for 7-or-so days before I can get it into a mechanic?

Also, how much does a spark plug change generally run?

My car has 135000 miles.
My car has an automatic transmission.

A: Hi, thanks for writing in. I would not reco...

Hi, thanks for writing in. I would not recommend driving it much as an outside force out of your control can cause a dangerous accident. As for a spark plug replacement, someone on our customer service team can quote the repair for you. I will send your situation over so they will reach out to you with a quote.

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

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・Fair and transparent pricing

Get a quote

What others are asking

Q: Oil is leaking into spark plug wells

Hello. You are correct. There has likely been a gasket and, or grommet failure. The oil contaminates the plug and retards the spark. Hence the poor engine performance. It also causes the pressures to vary from normal and stresses out...

Q: I want to buy a 1997 Subaru Outback Wagon that appears to have oil/fluid leaks.

Hi there. There are three categories for leaks, that I use. Seepage (by all factory standards considered normal) collects dirt, signs of a leak (wetter than seepage) may or may not see it on the ground (monitor level), and a...

Q: Overheating only when i drive not sitting still

Hi there: Sometimes the issue you're describing is caused by air bubbles that are trapped in the coolant system or a problem with the water pump. As the engine accelerates, the flow of the coolant through the system is also...

Related articles

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...