Overview
The story
A published reference lists the 3.0L 1MZ-FE in the Camry from 1994, the Sienna and the Lexus RX 300, and in the Highlander from 2000 to 2003 with VVT-i and 220 hp. The 3.3L 3MZ-FE replaced it in the Highlander from 2004 to 2007 with 230 hp. The GR V6s followed. A published reference
Specs
Versions
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3.0L 1MZ-FE A published reference
2,994 cc, 87.5 × 83 mm. 220 hp in the Highlander
In 3rd gen Toyota Camry, 1994–1996; 4th gen Toyota Camry, 1997–2001; 5th gen Toyota Camry, 2002–2006; 1st gen Toyota Highlander, 2001–2003
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3.3L 3MZ-FE A published reference
3,310 cc, 92 × 83 mm. 230 hp in the Highlander
In 5th gen Toyota Camry, 2004–2006; 1st gen Toyota Highlander, 2004–2007
Figures
- Block: Aluminum, closed deck, with cast-iron liners A published reference
- Valvetrain: Twin overhead cams per bank, four valves per cylinder, VVT-i from 1998 A published reference
Watch out
Faults owners and the press report, and how to spot each one.
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Oil sludge and oil use Every version
Check: Ask for oil change records, look under the oil filler cap for sludge, and look for blue smoke at start-up.
The MZ engines are known for oil gelling, or sludge, from PCV trouble, worn parts and leaking valve cover gaskets, and a class action was filed over it. 80/20 Automotive says sludge shows most easily with the front valve cover off. A published reference, a seller's guide (unofficial)
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Failed knock sensor 1MZ-FE
One source so far
Check: Look for a check engine light and feel for lost power under load.
80/20 Automotive says the 1MZ-FE's original knock sensor gave trouble until a new one came with the 3MZ-FE, and that a failing sensor cuts power. A seller's guide (unofficial)
Owning
Maintenance
No service schedule is added yet.
What owners and buyers say
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Sought after
Reliable and long-lived 1MZ-FE
One source so far
80/20 Automotive says the 1MZ-FE is known for great reliability and longevity, with many drivers expecting at least 200,000 miles without major problems. A seller's guide (unofficial)