Skip the auto shop - Our mechanics make house calls

Q: sounds stopped up

asked by on

When I press gas it doesn't. Want to go and and exhaust rattles severe under passenger side rpm doesn't raise smell sulphur also put. 5 gallon. Gas and gas light came on less than5 mules later

My car has 133000 miles.
My car has an automatic transmission.

A: It sounds like your catalyst is broken up a...

It sounds like your catalyst is broken up and clogged the exhaust. You may also have a problem with the engine flooding from fuel which could be caused by a bad fuel pressure regulator.

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: Truck Cuts Off Seconds After Driving

Hi There, Your vehicle has something called a neutral safety switch that will prevent the vehicle from starting when it is in any gear position other than park or neutral. Occasionally, this switch can malfunction causing the car to stall...

Q: High-pitched chirping noise and rattle from front of 2008 Saturn Astra

Hey thanks for writing in about your 2008 Saturn Astra. It is unlikely the problem is cause by the engine "not being strong enough" to power the accessories. If the noise changes while turning the air conditioning on and off,...

Q: Oil leaking occasionally

When oil is actively hitting the ground in the amounts you have described there is a problem. The oiling system should be self contained and is not supposed to leak. It is possible that the leak wasn't apparent or the...

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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...