2003 Toyota Tacoma Toyota Tacoma 2003

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2003 Toyota Tacoma repairs by problem area

Engine (42%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (18%)

Suspension and Steering (21%)

Electrical and Air Conditioning (13%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

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Chart based on 38 repairs.
See TSBs and recalls for the 2003 Toyota Tacoma.

2003 Toyota Tacoma engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (19%)

$500 - $999 (6%)

$100 - $499 (63%)

< $100 (13%)

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Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Toyota Tacoma

Engine not specified

125000 mi

US $300
Loud muffler 

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2003 Toyota Tacoma 4dr Crew Cab 5ft bed

190-horsepower 3.4L V6 4-speed automatic RWD

25000 mi catalytic converters 
60000 mi

US $190
front oxygen sensor 
134000 mi

US $1400
Water pump leaking and other seals 
130700 mi

US $250
front O2 sensor replacement due to open heater. Emergency pivot bolt replacement 
134000 mi

US $259
Exhaust leak in 2nd catalytic converter causing P0420 code. Dealer diagnosed leak & exhaust shop welded the pipe to close the leak. 
142000 mi

US $200
Gas tank strap replaced & gas tank guard removed & discarded 

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2003 Toyota Tacoma 4dr Crew Cab 5ft bed

142-horsepower 2.4L I4 4-speed automatic RWD

142200 mi

US $487
Had a leak develop on the oil pan. Don't know if I caused it doing some offroading. No significant dents, but some indentations. Replaced the oil pan and gasket. 

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2003 Toyota Tacoma 2dr Regular Cab 6ft bed

150-horsepower 2.7L I4 4-speed automatic 4WD, part-time w/low range

57000 mi

US $600
charcoal cannister replaced 
63000 mi

US $2000
O2 sensor,  

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2003 Toyota Tacoma 2dr Regular Cab 6ft bed

142-horsepower 2.4L I4 4-speed automatic RWD

70000 mi Replaced Oxygen Sensor 

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2003 Toyota Tacoma 2dr Extended Cab 6ft bed

190-horsepower 3.4L V6 5-speed manual 4WD, part-time w/low range

105000 mi

US $200
P0031 code, upstream oxy/fuel ratio sensor 

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2003 Toyota Tacoma 2dr Extended Cab 6ft bed

190-horsepower 3.4L V6 4-speed automatic RWD

116000 mi

US $400
evaporative gas leak (with CEL code) in filler pipe. several plastic parts had cracked. 
102000 mi

US $1100
Replaced water pump 

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2003 Toyota Tacoma 2dr Extended Cab 6ft bed

142-horsepower 2.4L I4 5-speed manual RWD

218000 mi

US $200
New muffler and tailpipe. 

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2003 Toyota Tacoma 2dr Extended Cab 6ft bed

142-horsepower 2.4L I4 4-speed automatic RWD

65000 mi

US $285
Replaced exhaust system from converter to end 

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2003 Toyota Tacoma Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Toyota Tacoma problems occur, check out our car reliability stats.