P0300 on CHEVROLET TAHOE
What P0300 Means on Your CHEVROLET TAHOE
Real CHEVROLET TAHOE Owner Reports (Source: NHTSA Complaints Database)
"My 2007 chevrolet tahoe will sporadically display two m.i.l. 's - service traction control and service stabilitrak. i have spent close to $4,000 on different parts, as well as having the heads completely rebuilt about 5 months ago."
"Complain to dealer prior to gm warranty expiration and extended warranty expiration but now that warranty expired willing to investigate. constant p0300 random misfire detected on cylinder 5. misfires over 20 times within 60 seconds via gm fast test (launch software version v44."
"P0300 engine misfire - service stabilitrak/traction control. multiple cylinder misfire from active fuel management system."
"The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving 20 MPH into the driveway, the engine seized. The contact stated that the service traction, service ESC, and engine warning lights were illuminated."
"Based on dealer inspection, oil was found sitting on top of the #2 piston, and you’ve indicated the failure is originating from the bottom end of the engine—likely involving piston, ring, or cylinder wall damage."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0300 on CHEVROLET TAHOE
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
-
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.