P1399 Acura Wheel Speed Sensor 2, G-Sensor Circuit Intermittent
Possible causes
– Valve clearance out of range
– Blocked EGR (exhaust gas recirculation) Passages
– Blocked EGR (exhaust gas recirculation) Passages
Tech description
Adjusting the valves will usually fix this problem.
What about the obd code?
The control module monitors the crankshaft speed and has detected a misfire condition
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Lack/loss of power
– Hard start
– Engine hesitation
– Lack/loss of power
– Hard start
– Engine hesitation
P1399 Acura Description
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.
– Valve clearance out of range
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX