Q: Car stutters, loud tick at low rpm

asked by on

When I accelerate out of a stop the car stutters and a loud ticking noise gets louder and louder at low rpm than levels out and drives fine besides the occasional misfire. At autozone, it coded for possible exhaust leak, o2 sensors and multiple cylinder misfired. I replaced the o2 sensors and it didn't help. Any ideas? Please help! 08 Cadillac cts

My car has 170000 miles.
My car has an automatic transmission.

Hello. It sounds like you may have a couple of different issues going on here. Most of the time it is caused by a misfire which can mean that you need a tune up. I usually check the ignition coils and the spark plugs to see if they need replacing. If those are fine then I also check the timing chain. It is common for this engine to have timing chain problems which will cause this to occur. If you want to have this stuttering problem checked out, consider YourMechanic, as a certified mechanic can come to you to [diagnose why the vehicle is stuttering and misfiring] https://www.yourmechanic.com/services/engine-is-misfiring-inspection

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. Car stutters, loud tick at low rpm

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: How many O2 Sensors does 2009 Cadillac STS have?

Your car has 4 oxygen sensors in total. Two of the oxygen sensors are used to monitor the air fuel ratio in the six cylinders (one sensor for each bank of 3 cylinders). The other two oxygen sensors monitor the...

Q: Remote start stopped working and check engine light went on.

Hi there. The codes are referring that that both banks on the engine are reading a lean condition. For a lean condition to occur, the fuel system is not functioning properly. Check the fuel pump, fuel pump relay, and the...

Q: Strong gas smell but nothing leaking under hood

Hi There, A few things may cause the vehicle to produce a strong fuel smell. A clogged or dirty EGR valve may cause the car to emit a strong fuel smell due to the excess hydrocarbons as a result 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...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...