1999 Toyota 4Runner Toyota 4Runner 1999

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1999 Toyota 4Runner repairs by problem area

Engine (43%)

Transmission and Drivetrain (11%)

Brakes and Traction Control (5%)

Suspension and Steering (18%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (0%)

Chart based on 97 repairs.
See TSBs and recalls for the 1999 Toyota 4Runner.

1999 Toyota 4Runner engine repair cost distribution

$2500+ (5%)

$1000 - $2499 (23%)

$500 - $999 (18%)

$100 - $499 (30%)

< $100 (25%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 40 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

1999 Toyota 4Runner

Engine not specified

158700 mi

US $1000
radiator, spark plugs, wires, 
159000 mi

US $150
One day after replacing the fuel filter, #2 fuel injector failed. I ordered 3 reman injectors $40 ea. plenum gaskets and few extra parts. Spent Saturday repairing the engine. Gave me the chance to replace the leaking valve cover gaskets. 
166000 mi

US $100
The truck started to take longer to fire-up and worse when the engine had been run and still warm, like running in to the store. As suspected, it was a failing fuel pump. Installed a new Denso fuel pump and it runs like a champ now. 
186080 mi

C $200
Rad transmission line pulled out Catalytic converter failed e test 
232500 mi

US $300
Replaced muffler. It had a hole in it. 
253000 mi

US $300
Replaced rear main seal 
155300 mi radiator tank cracked. replaced radiator, upper and lower hose 
185000 mi

US $3200
two cracked head gaskets, but car never overheated. First i was told it was going to cost 4500 to fix, I told them I was going to take the car eslewhere for a second opinion, when I show up all of a sudden they could fix for 3200. BS 
145000 mi

US $600
replaced spark plug wires and cleaned fuel injection system 

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1999 Toyota 4Runner 4-door

6-cylinder manual AWD

58280 mi

C $1050
Water pump leaking, replaced concurrently with timing belt (first timing belt replacement) 
67440 mi

C $600
Engine light, indicated fuel filter; replaced fuel filter (first time for vehicle) and all associated wiring. 
71800 mi

C $500
Engine warning light on, indicated issue with air fuel mix, replaced fuel and air filters. Light went off, but has come back on. Ignoring for now. 
73160 mi

C $1000
Engine light check, replaced exhaust system and o2 sensor. First exhaust (muffler) replacement since 1999 purchase. 
73360 mi

C $250
Engine light came on; replaced thermostat. 

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1999 Toyota 4Runner 4-door

6-cylinder manual 4WD

221700 mi

US $225
Plug wires bad, had been replaced with poor quality wires one year ago. Vehicle had to be towed. 
268000 mi

US $250
Cooling system repair, tubes to rear seat heater had rusted and leaked causing vehicle to overheat. Mechanic disconnected heat tubes and left removed from system 
190000 mi

US $850
Replace oxygen sensor and reset check engine light. Repaired exhaust system leak, welded in short section of connecting pipe 

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1999 Toyota 4Runner 4-door

6-cylinder automatic 4WD

116000 mi

US $250
Check engine light. Complete diag. & smoke test of vac. system. Found no leaks. Cleaned throttle body & MAF sensor. Running better & no light after 30 days. 
117000 mi

US $100
Exhaust rusted off. Replacement from Salvage Yard. 
206000 mi

US $50
Replaced fuel filter and oxygen sensor 
155500 mi

US $95
Check engine Light - could be the catalytic converter. 
158600 mi

US $1500
Check Engine Light and Catalytic Converter 
173000 mi

US $300
Check engine light due to faulty oxygen sensor which was replaced 
174000 mi

US $1800
Catalytic converters failed and need replacing. Will sell instead. 
175000 mi Catalytic converters failed and needed replacing. 
155000 mi

US $50
gasket between catalytic converter and exhaust pipe blown out. Replaced gasket. 
158000 mi Dealer says entire exhaust system and 2 catlytic converters are bad. Replacement estimate is $2,700!!! 
194000 mi

US $4500
New radiator. 
198000 mi

US $400
Spark plug loosened. Exhaust gases melted coil. 

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1999 Toyota 4Runner 4-door

6-cylinder automatic 2WD

212000 mi

US $50
Bad fuel injector 
235000 mi O2 sensor failure; check engine light Head gasket failure; leaking oil 
581000 mi

US $1450
Engine would not start, had 4 Runner towed to Toyota dealer. Diagnostic run and fuel pump failed. Replaced fuel pump and filter. 4-Runner runs like new. Always said if there is a problem with vehicle best to take it to the dealer for r-and-r. 
605000 mi

US $1400
During routine maintenence found waterpump leaking, cam & crankshaft seals leaking replaced along with timing belt & accessory belts. Replaced spark plugs & wires. Changed oil & filter. 
631800 mi

US $1100
Replaced rear oil seal on engine.  
199000 mi

US $1900
Water pump replaced w/seals. 
200000 mi

US $500
IVC (idle control valve) replaced. Car stopped, would start but would not idle so you could shift into gear. 
205000 mi

US $100
Engine mounts worn and need to be replaced. Cost estimated at $1200.00. 
250000 mi

US $700
radiator leaking, replaced 
270000 mi ignition coil needs replacement 

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1999 Toyota 4Runner 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 1999 Toyota 4Runner problems occur, check out our car reliability stats.