P0300 on CHEVROLET EQUINOX — Random/Multiple Cylinder Misfire Detected

Q: "What does P0300 mean on a CHEVROLET EQUINOX?"

"P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 4 CHEVROLET EQUINOX owners have reported this to NHTSA."

Q: "What are the most common causes of P0300 on CHEVROLET EQUINOX?"

"Based on 4 NHTSA reports, the most commonly cited components are: Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0300 serious on my CHEVROLET EQUINOX?"

"Of 4 NHTSA reports for this code on CHEVROLET EQUINOX, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET EQUINOX 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 CHEVROLET EQUINOX

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.

4 CHEVROLET EQUINOX owners have reported this issue to NHTSA across model years 2010-2022. Most reports come from the 2010, 2022 model years. The most commonly reported component is Engine (100.0% of reports).

Real CHEVROLET EQUINOX Owner Reports

Source: NHTSA Complaints Database

"Code p0300- cylinder #4 misfire, extreme blow by from internal failure."

— 2010 CHEVROLET EQUINOX owner · ENGINE · Filed 06/02/2018

"At 58569 miles the engine light was on. the catalytic converter, gasket, and nut were replaced. i began complaining about oil consumption at 72388 miles. at 77313, the engine light was flashing. the dealer got the code p0300. there was a misfire in cylinder #2."

— 2010 CHEVROLET EQUINOX owner · ENGINE · Filed 11/20/2013

"My equinox engine light came up while driving in the highway, i hear a noise in the engine every time i accelerate, and the truck would shake a bit, put the suv in the machine and got a p0300 code for misfire, the coils and sparkplugs where loose and out of place for the second time in less than sev"

— 2010 CHEVROLET EQUINOX owner · ENGINE · Filed 12/22/2015

"Codes p2227 and code p0299 are coming up machine says this is a known issue with 2021 to 2023 Chevy equinox and there is a lot of water in intake and engine is in limp mode 1."

— 2022 CHEVROLET EQUINOX owner · ENGINE · Filed 01/29/2026

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

📊 Complaint Trend by Model Year

3

'10

1

'22

Common Causes on CHEVROLET EQUINOX

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 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 CHEVROLET EQUINOX? ▾

P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 4 CHEVROLET EQUINOX owners have reported this to NHTSA.

What are the most common causes of P0300 on CHEVROLET EQUINOX? ▾

Based on 4 NHTSA reports, the most commonly cited components are: Engine. These percentages are based on the component field in owner complaints.

Is P0300 serious on my CHEVROLET EQUINOX? ▾

Of 4 NHTSA reports for this code on CHEVROLET EQUINOX, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET EQUINOX 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.