Skip the auto shop - Our mechanics make house calls

Q: Need to start car after sitting for years

asked by on

My car has been sitting for years. It worked fine before I parked it, and I would start it up every week. I got busy and time passed, and now we are in the present. I heard that the gas in it is probably no good, and needs to be drained first. What else do I need to do to get it started?

A: Hi! There are a few things that may need to...

Hi! There are a few things that may need to be done on a vehicle that has been sitting for a while. I definitely would suggest draining the old gas, but before draining, I would add some sort of fuel treatment to the tank such as Marvel Mystery Oil, to help loosen any old gas deposits inside of it. I would also suggest replacing the fuel filter because the fuel treatment won’t always fully clean all of the deposits inside the tiny spaces of the fuel filter. It is also suggested that an oil change be performed on a vehicle that has been sitting for so long; conventional oils are to be replaced after three months, while synthetic oils can last as long as 7 months. I also suggest to safely add Marvel Mystery Oil, or a similar treatment, to the oil. Doing so will help clean up any deposits inside of the engine.

Being that the car will not start, you may benefit from a mobile automotive service such as YourMechanic. They can have a certified mechanic come out to the location of your Town Car, and provide an onsite general inspection, then recommend any necessary repairs.

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: Fuel gauge always reads Full tank

Hello. There is a fuel level gauge on the fuel pump and it reads the amount of gas that is in the fuel tank. It sounds like this gauge has broken on your fuel pump. The gauge cannot be repaired...

Q: Help v8 4.6l 95 tbird

Transmission fluid that is leaking onto a hot surface such as exhaust or onto the body of the transmission itself will definitely cause the fluid to turn to smoke as it is burnt. The main question is what kind of...

Q: My car is overheating quickly - 2000 Lincoln LS

Hi and thanks for contacting YourMechanic. Check to see if the electric fan is coming on when at idle. If the fan is not coming on, check the fuse box for any blown fuses. If all of the fuses are...

Related articles

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...
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...
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...