1990 Toyota 4Runner engine problems
The 1990 Toyota 4Runner has 43 engine complaints filed with NHTSA — 45% of the year's total, and up sharply from the prior model year.
43
Engine complaints
45%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“THE CONSUMER WAS DRIVING TRUCK, AND SHE NOTICED THAT THERE WAS NO PRESSURE WHEN SHE HIT THE GAS PEDAL AND SHE SMELLED FUEL. ALSO SHE HAD A NEW ENGINE PUT IN JULY, THE MILEAGE WAS 75000 ON THE TRUCK. THE SHORT BLOCK WAS REPLACED . THEN THE TRUCK BURST INTO FLAMES. THE CAR WA STOWED TO THE DEALER FOR…”
Common questions
How many engine complaints does the 1990 Toyota 4Runner have?
NHTSA has 43 complaints about the 1990 Toyota 4Runner engine — 45% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.