Q: Catalytic converter

asked by on June 05, 2017

car runs fine once started mabey a bit of rough idle but once put in gear the rpm plumets and pretty much dies gas peddle once in gear becomes unresponsive pessing it to the floor with no rpm increase and also just noticed if you leave just idle 20 min catalitic converter starts to glow red
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Sagging headliner coming off the ceiling, looks awful
The headliner is a piece of material with a foam backing which is glued to the roof of the interior. The glue used by Volkswagen to adhere the headliner does not hold up very well, causing the material and foam...
Coolant leak.
A cooling system pressure test using dedicated equipment will be able to pinpoint the location of your coolant leak. Running a vehicle low on coolant can cause it to overheat, resulting in extensive engine damage. My best advise is to...
Car chirping while idling
Hi there. A chirping sound could indicate an idler pulley is about to fail. The bearing in the pulley will start to break down and need replacing. Although it could be a different pulley going bad, I would recommend having...
Antifreeze leak in a 2000 Pontiac Grand Am
Hi! Commonly, a coolant leak on your particular vehicle will be from a thermostat, bad hose connection, or a cracked radiator. I suggest pressure testing the cooling system to help highlight the area that may be leaking. The illuminated Check...
Unknown oil leak in a 2003 Chrysler PT Cruiser
Engine oil leaks will generally get worse over time so identifying the source of the leak and repairing the leak should be carried out as soon as possible. These engine are known to develop leaks at the front engine seal...
Alternator belt battery light
It sounds like your car alternator is not charging enough at lower speeds. Have the charging system checked to make sure your alternator is working or not and replace it if not charging enough. The bad battery may have caused...
My car is vibrating and shaking; is this related to the brakes and rotors?
What you're describing may be a sign of warped brake rotors (https://www.yourmechanic.com/services/brake-rotor-disc-replacement). As you may know, when you press on your brake pedal, this activates a hydraulic pressure that forces small pistons inside your brake calipers to push the brake...
My temperature gauge keeps making it look like my car is overheating the temperature gauge moves up to the red. I already changed the thermometer
Hey there. Your cooling system consists of several components. Thermostat, radiator, heater core, and water pump are just a few. Since the thermostat has been replaced, it is more than likely not the cause of the engine running hot. If...
car stalls when cold until warmed up
It may be best to have a certified technician with the proper scan tool look into the check engine light fault (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) as well as the entire system. Sometimes a fault will not set a code, or the code set...

Related articles

2012 Nissan Rogue vs. 2012 Ford Escape: Which One Should I Buy?
Sport Utility Vehicles (SUVs) use the chassis of a truck to provide superior structure, with a larger size and often poor gas mileage. While that isn’t always true, SUVs have a raised ground clearance and are generally meant to haul...
The Best Used Cars to Buy If You’re an Interior Designer
As As an interior designer, you need to transport a great many different items, including fabric, paint and wallpaper samples and sometimes even furniture items. You probably don’t handle overly large loads very often, and when you have to, you’ll...
The Best Used Cars to Buy for Highway Driving
Do Do you spend hours each week on the highway for work? Maybe you just live in a very rural area and have to drive for 30 or 45 minutes to get to the grocery store. Whatever the case, your...