P0316 on Chrysler Pacifica Hybrid
Factory diagnostic protocol and troubleshooting wire for fault code P0316 specifically for the Chrysler Pacifica Hybrid (2020–2026, 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)).
1. Symptoms of P0316 on Chrysler Pacifica Hybrid
When the Engine Control Module (ECM/PCM) on your Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)) logs fault code P0316, drivers commonly observe:
2. Most Likely Causes on Chrysler Pacifica Hybrid
Historical warranty claims and technical repair bulletins for Chrysler Pacifica Hybrid point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chrysler Pacifica Hybrid
Check if P0316 is accompanied by a specific cylinder code (like P0303) to isolate which cylinder is misfiring on startup. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Pressurize cold cooling system to 15 PSI. Use a borescope camera through spark plug hole to check for coolant pool on piston top. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Remove spark plugs. Check for white coolant crust, fuel fouling, or cracked ceramic insulators. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
On direct-injection engines, perform walnut shell blasting or chemical intake valve cleaning to remove cold carbon buildup. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Clear DTCs and allow vehicle to sit overnight to confirm morning start is clean. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Equipment for Diagnosing Chrysler Pacifica Hybrid (P0316)
Chrysler Pacifica Hybrid OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Pacifica Hybrid.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Chrysler Pacifica Hybrid
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Pacifica Hybrid:
4. Chrysler Pacifica Hybrid P0316 FAQs
What causes code P0316 to trigger on a Chrysler Pacifica Hybrid?
On the Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)), P0316 is most frequently caused by Coolant leaking into cylinder overnight from failing head gasket or intake manifold or Leaking fuel injector dripping fuel into cylinder while parked.
Where is the OBD-II port located on my Chrysler Pacifica Hybrid?
On the Chrysler Pacifica Hybrid, the 16-pin DLC diagnostic connector is located Under driver side dashboard above foot pedal assembly. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chrysler Pacifica Hybrid with code P0316?
Caution. Engine misfires heavily for the first 30–60 seconds after starting, then smooths out. Given that P0316 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

