Skip the auto shop - Our mechanics make house calls


asked by on

One random day my Kia started losing power while driving it, My check engine light came on, so I went to get the trouble code. The code came back as P0305. I drove it 2 more weeks (waiting for pay day to take it to a mechanic). It didn't hold up for me to get it there. I began to smell a burnt rubber smell while waiting in the drivethru. Suddenly I seen a little bit of white smoke, I couldn't tell if it were me so I turned my car off. When I went to start the car again it gave me trouble. I was able to pull up to get my food once I started driving down the street it started to shake a tad and all of a sudden it stopped. I tried to crank again and nothing. At this point the lights were no longer coming on so I attempted to get a boost and nothing happened. I ended up purchasing a new battery and when I turn the key all the lights go dim. We checked the started and it's good. I really need help.

My car has 160000 miles.
My car has an automatic transmission.


Anytime you’re ECU stores an error code, it’s typically a sign that a major mechanical or electrical issue could cause serious damage to the engine. In this case, the P0305 OBD-II Trouble code indicates that the engine control module (ECM) detected a misfire on cylinder number 5 of the engine. Most of the time, it’s caused by spark plugs or plug wires that are faulty, however, it is also sometimes caused by the valve cover leaking oil into the spark plug holes and shorting the spark plug firing for cylinder number 5. If this is the source, it can cause the burning smell and having difficulty starting the engine. You should have a professional mobile mechanic complete a car is hard to start inspection as soon as possible so they can accurately pinpoint the source of your troubles.

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: my toyota rav4 2007 model recently started vibrating when i stat it in the morning.then after a long drive the check engine lights

Hi there. An engine vibration is typically caused by one of three problems. Either you have a vacuum leak, an ignition system component failure or a fuel / air mixture problem usually caused by a worn out or highly clogged...

Q: Engine idle fluctuates

It sounds like you may have a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...

Q: Just replaced fuel pump in my 05 galant and now it won't start any ideas?

If your filler neck actually rusted out, that makes me worry about water in the fuel tank, did you check for that while replacing the fuel pump? You'll need to take a fuel line loose and get a sample of...

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...
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...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...