What causes a misfire on an Acura p1399?

If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine Control Module ( ECM) can determine that a misfire is occurring and the Diagnostic Trouble Code (DTC) will set. Need more information on how to fix the P1399 ACURA code?

What to do if your Acura has a misfire?

We replaced that with a bolt and gasket (washer) from Acura (PN 90009-R70-A00 and 94109-14000 if you were curious). After all of this work, the engine is still spitting out the same codes. The engine’s running much more powerfully now, so it’s like an amplified version of the original problem.

What is the Check Engine light on Acura CL 3.2L?

I’m working with our 2002 Acura CL 3.2L. The engine is running very rough at idle (it sounds like a muscle car). I have two lamps illuminated on the dashboard. The Malfunction Indicator Lamp (MIL) is flashing, and the Traction Control System light is solid. NOTE: Some bulletins refer to the MIL as the Check Engine Light (CEL) as well.

What does DTC mean on Acura p1399?

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine Control Module ( ECM) can determine that a misfire is occurring and the Diagnostic Trouble Code (DTC) will set. Need more information on how to fix the P1399 ACURA code?

Why does my Acura DTC sound like a muscle car?

The rough running of the engine seems restricted to idle. This is when the majority of the extra vibration and “muscle car” sound occurs. When the vehicle is driving at any speed, the rough running doesn’t seem apparent. In fact, it seems to drive like normal.

What does the code p1399 Acura mean?

P1399 ACURA Meaning When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring and the Diagnostic Trouble Code (DTC) will set.

What is the OBD code for an Acura check engine?

P1201Cylinder 1 Misfire – Compare possible causes/symptoms for this Acura check engine light code to the Generic OBD II code P0301 P1202Cylinder 2 Misfire – Compare possible causes/symptoms for this Acura check engine light code to the Generic OBD II code P0302

Where is the DTC code on an Acura?

1. Connect SCS service connector special tool No. 07PAZ-0010100, or equivalent, to service check connector located under the passenger’s side of dash. 2. Turn the ignition on. 3. MIL will indicate DTC’s by outputting a number of flashes. Remember, these are manufacturer specific codes only.

How to reset the codes for an Acura TL?

After 10 failed attempts, the stereo locks itself for one hour, and additional attempts will fail until the hour has passed. The key must stay in the “On” position during the countdown. Enter the navigation reset code using the numbers on the navigation system display. Hit the “Done” button.