Q: Q: Car not accelerating

asked by on

My car won't accelerate. I think something is wrong with the transmission.

Hi there. The two most common causes of this vehicle not accelerating are either a transmission failure or a clogged catalytic converter. If the engine seems to just lack power, then it may be the converter. If the engine power is fine and it is revving high without any response from the vehicle, then it may be the transmission. If the Check Engine Light is on, then I would typically scan the computer for codes to see what the computer is seeing. I would enlist the help of a certified mechanic, like one from YourMechanic, that has the tools to determine what is causing the issue.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Q: Car not accelerating

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 2002 saturn vue loses speed going up hill what could it be

Hi Evanie. Thanks for contacting us tonight. Generally speaking, acceleration issues while climbing are typically caused by ignition system parts or fuel system components that are worn out or clogged with excessive carbon deposits. Essentially, the engine struggles to correctly...

Q: Q: Transmission is slipping

Hello. From what you describe it would appear that your vehicle may be experiencing some sort of issues with the transmission or clutch. If it is a manual transmission and appears to be having trouble staying in gear, or transferring...

Q: car wont start after pumping gas.

Sometimes the fuel vapor system control valve leaks and causes fumes from the gas tank when filling it. This can get pushed into the engine causing an excessively rich condition (too much fuel) inside the engine. Now when you...

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...