P0316

Code

LAND ROVER P — Powertrain

failure detected on the first start (first 1000)

Brand: LAND ROVER

Type: P — Powertrain

Views: UK: 23 EN: 65 RU: 78

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Page language: EN

Causes

Ignition system fault (worn spark plugs, faulty ignition coils, poor connections)
Fuel delivery problems (low rail pressure, clogged injector, weak pump)
Mechanical issues (low compression, valve timing problems, head gasket leak)
Air intake or vacuum leaks affecting mixture during cold start
Faulty crankshaft or camshaft position sensor or timing variation
Contaminated fuel or incorrect fuel composition

Symptoms

Check Engine Light / MIL illuminated
Rough idle or engine shakes immediately after start
Hesitation or stumble on initial acceleration
Poor or inconsistent idle for first few seconds/minutes
Possible increased exhaust odor or black smoke for rich conditions

What to check

Read stored and pending DTCs and freeze-frame data; note engine temp and RPM at fault
Check for other related codes (P0300-P0308, sensor codes)
Visually inspect ignition components, wiring, and connectors
Inspect spark plugs for wear, fouling, or incorrect gap
Check fuel rail pressure and regulator operation during cranking
Scan live data during cranking/first start: misfire counters, fuel trims, sensor inputs

Signal parameters

Crankshaft position sensor waveform during cranking
Camshaft position sensor synchronization
Cylinder-specific misfire counters and misfire learn data
Engine RPM during cranking and first 1000 revs
Short-term and long-term fuel trim values immediately after start
Fuel rail pressure and injector pulse width during startup

Diagnostic algorithm

Retrieve freeze-frame and all related codes. Confirm P0316 criteria (first 1000 revolutions).
If other cylinder-specific misfire codes (P0301-P0308) present, focus on affected cylinders first.
Visually inspect ignition coils, spark plug wires (if applicable), and plugs; replace suspect parts and retest.
Monitor live data during a cold start: misfire counters, fuel trims, crank/cam signals, and fuel pressure.
Check fuel pressure and volume. If low or slow to build, diagnose fuel pump, filter, pressure regulator, or rail leak.
Perform injector tests (noid/activation) and consider swapping suspect injector with another cylinder to see if misfire follows.
Perform a cylinder compression or leak-down test to rule out mechanical issues.
Inspect intake manifold gaskets, vacuum lines, PCV and throttle body for leaks or contamination that affect initial mixture control.
Verify crankshaft/camshaft sensor signals and timing; check for timing chain/belt jump or variable timing faults.
If tests are inconclusive, check for PCM software updates or known technical service bulletins; consider manufacturer-specific diagnostic procedures.
Clear codes and perform multiple cold starts to confirm repair; document conditions that cause recurrence.

Likely causes

Worn or fouled spark plugs or degraded ignition coils causing misfire at startup
Weak or slow-responding fuel injectors or low fuel pressure under cranking conditions
Intake manifold vacuum leak or leaking PCV causing lean condition on start
Low cylinder compression on one or more cylinders evident only at start
Faulty crank or cam position sensor signal during initial cranking
Dirty throttle body or IAC/idle control affecting air control during first seconds

Fault status

⚠️ Status

P0316 — Misfire detected during first 1000 revolutions after start. MIL illuminated; stored freeze-frame will show startup conditions.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 1.0-3.0 hours

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P0316 — failure detected on the first start (first 1000)