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P0316 on Chrysler Pacifica Hybrid

Engine Misfire Detected on Startup (First 1000 Revolutions)

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)).

Verified OEM Telemetry & Field Repair Tree
Chrysler Pacifica Hybrid2020–2026
Chrysler Pacifica Hybrid
Van3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Pacifica Hybrid SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$100 - $600 (DIY: $30 - $150)
Parts & Labor DIY
Check P0316 On Another Chrysler Model:
Diagnose P0316 on Specific Pacifica Hybrid Model Year:

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:

Check Engine Light on on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Engine shakes, sputters, and runs very rough immediately after cold start on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Engine smooths out and runs normally after warming up for 1–2 minutes on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Accompanying misfire codes (P0300, P0301-P0308) on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Chrysler Pacifica Hybrid OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dashboard above foot pedal assembly. Plug in your scan tool to verify freeze-frame sensor values.

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:

55%
Coolant leaking into cylinder overnight from failing head gasket or intake manifold (Chrysler OEM Part)
25%
Leaking fuel injector dripping fuel into cylinder while parked (Chrysler OEM Part)
12%
Worn spark plugs with excessive gap or moisture on ignition boots (Chrysler OEM Part)
8%
Carbon buildup on intake valves preventing cold fuel vaporization (Chrysler OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chrysler Pacifica Hybrid.

3. Step-by-Step DIY Repair Guide for Chrysler Pacifica Hybrid

01
Check Accompanying Cylinder Misfire Code

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).

Required Tool: OBD-II Scanner
02
Perform Cooling System Pressure Test

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).

Required Tool: Cooling System Pressure Tester, Borescope Camera
03
Inspect Spark Plugs and Coils

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).

Required Tool: Spark Plug Socket, Ratchet
04
Perform Intake Valve Carbon Cleaning

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).

Required Tool: Intake Valve Cleaner Kit
05
Clear Trouble Codes and Test Overnight Cold Start

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).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Chrysler Pacifica Hybrid (P0316)

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Direct-Fit Replacement Part

Chrysler Pacifica Hybrid OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Pacifica Hybrid.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Chrysler Pacifica HybridVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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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.