Question

2002 Mercury Mountaineer 4.6L with engine code P0316, what is the meaning?

Answer 1

Any other symptoms?

Unfortunately there are many things that can caused trigger this code. Spark plugs, injectors or the crankshaft position sensor are the possible causes.

If no other symptoms are present and you could try erasing the code first and wait if the code comes back. You can erase the code by disconnecting the car battery for about 10-15 min,

 

P0316 MERCURY - Misfire Detected On Startup First 1000 Revolutions

Read more: https://www.autocodes.com/p0316_mercury.html