P0300 on FORD RANGER — Random/Multiple Cylinder Misfire Detected

Q: "What does P0300 mean on a FORD RANGER?"

"P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 2 FORD RANGER owners have reported this to NHTSA."

Q: "What are the most common causes of P0300 on FORD RANGER?"

"Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling. These percentages are based on the component field in owner complaints."

Q: "Is P0300 serious on my FORD RANGER?"

"Of 2 NHTSA reports for this code on FORD RANGER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my FORD RANGER shows P0300?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0300 Means on Your FORD RANGER

P0300 is a diagnostic trouble code indicating: Random/Multiple Cylinder Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 FORD RANGER owners have reported this issue to NHTSA across model years 2006. Most reports come from the 2006 model year. The most commonly reported component is Engine And Engine Cooling (100.0% of reports).

Real FORD RANGER Owner Reports

Source: NHTSA Complaints Database

"Vehicle stalled in middle of an intersection at 46,00 miles and was found to have lean codes p0171 and p0174-they replaced the intertia switch. vehicle went in for service and a po306 cylinder misfire, but paperwork stated could not duplicate."

— 2006 FORD RANGER owner · ENGINE AND ENGINE COOLING · Filed 03/20/2011

"2006 ford ranger 3.0l-2v vulcan engine. mil on various misfire related dtc's p0300 - po306 and p0316 ford technical service bulletin reference number: 05-26-3 date of issue 12/31/05 my 2006 ranger with 35,000 mi displays all for the issues indicated on this tsb."

— 2006 FORD RANGER owner · ENGINE AND ENGINE COOLING · Filed 04/01/2010

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'06

Common Causes on FORD RANGER

Based on NHTSA complaint component analysis for this vehicle.

ENGINE and ENGINE COOLING 100%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0300 mean on a FORD RANGER? ▾

P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 2 FORD RANGER owners have reported this to NHTSA.

What are the most common causes of P0300 on FORD RANGER? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling. These percentages are based on the component field in owner complaints.

Is P0300 serious on my FORD RANGER? ▾

Of 2 NHTSA reports for this code on FORD RANGER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my FORD RANGER shows P0300? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.