Q: There is a strong knocking sound coming from the engine. Today my car won't start. Service engine light is on. It keeps turning over

asked by on

will the crankshaft position sensor cause my car not to start? there was a strong knocking sound coming from the engine yesterday. the car stalled and cut off several times while idling at a stop sign or. the loud knocking sounds is heard more when in park than while driving

My car has 165000 miles.
My car has an automatic transmission.

Hi there. When the crankshaft position sensor is damaged or faulty, it will cause intermittent starting issues, misfiring problems, or might cause the vehicle to fail to start entirely. The best way to resolve this issue is to contact a professional mechanic to complete an engine is hard to start inspection. During this service, a professional mechanic will download any error codes stored in the ECU and determine the source of the starting issues.

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. There is a strong knocking sound coming from the engine. Today my car won't start. Service engine light is on. It keeps turning over

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 truck keep stalling when stopped randomly, its not all the time. Service engine like has just Came on

There are so many possible causes of random stalling, it's hard to say what exactly the problem could be. Having the Check Engine Light scanned would be a good first step though. This will provide the technician with information about...

Q: My car keep overheating. Does the muffler sensor have anything to do with that?

The muffler does not have a sensor but you do have a sensor for the catalyst on the engine called an O2 sensor. This sensor will not have anything to do with the engine overheating. You should have the engine...

Q: I turn the key and don't hear a sound, no click , lights/radio comes on though. New alternator, new battery. 2005 Pontiac vibe.

You may have a theft system malfunction. You may also have a shift cable problem also. Try to put car in neutral to see if it cranks? Move shifter back and forth to see if it moves through the gears...

Related articles

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...
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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.