P0316: Engine Misfire Detected on Startup (First 1000 Revolutions)
What Does P0316 Mean?
P0316 is a diagnostic trouble code indicating: Engine Misfire Detected on Startup (First 1000 Revolutions). This code relates to the ignition system system. It has been reported in NHTSA complaints across 6 different vehicle models.
Engine misfires are detected by monitoring crankshaft rotational speed variations. Each cylinder's power stroke produces a characteristic acceleration pattern. When a cylinder fails to fire, the crankshaft decelerates during that cylinder's stroke. The ECM identifies which cylinder misfired and how often. P0313-P0399 codes cover extended misfire monitoring including lean misfire detection, knock-related ignition faults, and secondary ignition monitoring. A flashing check engine light during active misfires is an emergency — raw unburned fuel enters the catalytic converter, potentially destroying it.
Symptoms of P0316
- ⚠️ Check engine light on (may flash during active misfire)
- ⚠️ Engine misfiring — rough idle, stumbling, shaking
- ⚠️ Loss of power during acceleration
- ⚠️ Increased emissions and fuel consumption
- ⚠️ Catalytic converter damage if ignored
- ⚠️ Possible engine vibration at idle
Common Causes
- 🔍 Worn or fouled spark plugs
- 🔍 Faulty ignition coil
- 🔍 Vacuum leak causing lean misfire
- 🔍 Fuel injector issue (clogged, leaking, or electrical)
- 🔍 Low compression (worn rings, burned valve, head gasket)
- 🔍 Incorrect ignition timing
P0316 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"My 2014 Ford Escape had run into coolant fluid issues such as leaking fluid and a cylinder misfire. Took it to a Ford dealership where they stated the only option for a fix was a replacement of the long block assembly. My car has just about 72,000 miles on it and it already needs an engine replacem"
— Ford Escape owner, 08/10/2024
"1. Transmission failure, it is available for inspection up until time of repair. 2. The vehicle lost power while driving, had incidents of jerking forward without warning, and shifter would get stuck. 3. Yes, independent service center. 4. Yes, when the incident occurred (Transmission Fault Service "
— Ford Escape owner, 02/06/2026
"Check engine light came on and car was idling rough. Took to auto repair shop and was quoted almost $12,000 to fix problem. Code P0316, P2601 and P0302. Misfire in cylinder 2 due to coolant leakage. My entire engine needs to be replaced. I will now need to purchase a new car. I just found out this h"
— Ford Escape owner, 10/16/2025
Source: NHTSA Complaints Database
Most Reported Vehicles for P0316
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | FORD ESCAPE | |
| 2 | FORD EDGE | |
| 3 | FORD FUSION | |
| 4 | FORD RANGER | |
| 5 | FORD FOCUS | |
| 6 | FORD MUSTANG |
P0316 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Diagnostic Tips
- Scan all modules, save freeze-frame data, and clear unrelated history codes before focusing on P0316.
- Confirm whether companion codes are present first; they often identify the root cause sooner than the headline DTC.
- Prioritize inspection around engine and the most common failure path for this code family.
- Review Mode $06 misfire counters and swap coils/plugs between cylinders to see if the fault follows the component.
- After each repair step, complete one drive cycle and verify readiness monitors instead of judging success after a quick idle test.
- If the code keeps returning on high-incidence platforms (for example FORD ESCAPE), check TSB patterns and wiring/connector fitment before major part replacement.
Common Mistakes to Avoid
- ❌ Skipping freeze-frame review and losing the exact RPM/load conditions when the fault set.
- ❌ Replacing injectors or converters before confirming spark quality and mechanical compression across cylinders.
- ❌ Clearing P0316 and returning the car before monitors complete — this often creates repeat visits.
- ❌ Treating intermittent wiring or connector faults as permanent component failure without wiggle testing.
Frequently Asked Questions
What does a flashing check engine light mean?
Can misfires damage my engine?
Why does my car misfire only when cold?
Reported Repair Costs for P0316
Based on 29 owner-reported repair costs from NHTSA complaints.
⚠️ These are owner-reported costs, not estimates. Actual costs vary by location, labor rates, and root cause. Source: NHTSA complaints database.
What To Do Next
Possible Fixes
- 🔧 Replace spark plugs
- 🔧 Replace ignition coil(s)
- 🔧 Repair vacuum leak
- 🔧 Clean or replace fuel injector
- 🔧 Engine mechanical repair (valves, rings, gasket)
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Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.