2012 Toyota Tacoma Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 294 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Toyota Tacoma overview page.
What owners report
“SECONDARY AIR INJECTION SYSTEM: STARTED THE VEHICLE AND CHECK ENGINE LIGHT CAME ON. OBD READ P2440/P2442. WHILE DRIVING UPHILL ON A VERY BUSY HIGHWAY, THE…”NHTSA complaint 10924933 — filed 11/08/2016
“THE AIR INJECTION PUMP WENT OUT AND HAD TO BE REPLACED, AND THERE IS ONLY 18,200 MILES ON THE VEHICLE. THE CHECK ENGINE LIGHT CAME…”NHTSA complaint 10906719 — filed 09/14/2016
“MY 2012 TACOMA WITH 45,000 MILES GOT A CHECK ENGINE LIGHT AND "TRAC OFF" LIGHT WHEN I STARTED IT TO GO HOME. I WAS MERGING…”NHTSA complaint 10886218 — filed 07/20/2016
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2012 Toyota Tacoma have fuel/propulsion system problems?
Fuel/propulsion System is the #2 most-reported problem area on the 2012 Toyota Tacoma: 51 of 294 complaints on file (17.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 Toyota Tacoma have in total?
294 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 16 involved a crash, 0 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
