Mazda B-Series Truck Mazda B-Series Truck

We are 103,000+ car owners sharing real-world car information.

Join Us

Mazda B-Series Truck repairs by problem area

Engine (32%)

Transmission and Drivetrain (18%)

Brakes and Traction Control (6%)

Suspension and Steering (19%)

Electrical and Air Conditioning (23%)

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

Other (1%)

Select a problem area

Show all problems

Need advice about a specific Mazda B-Series Truck problem?

Chart based on 78 repairs.
See TSBs and recalls for the Mazda B-Series Truck.

Mazda B-Series Truck engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (24%)

$100 - $499 (32%)

< $100 (44%)

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

Chart based on 25 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Mazda B-Series Truck 4dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed automatic 4WD, part-time w/low range

28000 mi

US $528
Rodent ate my gas line. Fuel was leaking. Fuel line(s) replaced. Quite an involved looking fuel line harness. 

Return to top

2006 Mazda B-Series Truck 2dr Regular Cab 6ft bed

143-horsepower 2.3L I4 5-speed manual RWD

4467 mi Cooling fan unthreaded itself from its hub add fell into the belt destroying both the plastic fan and the belt. Repair under warantee the same day by a ford dealer in Topeka Kansas. Excellent customer service. 

Return to top

2005 Mazda B-Series Truck 4dr Extended Cab 6ft bed

154-horsepower 3.0L V6 5-speed automatic RWD

109120 mi

C $250
Replaced muffler 

Return to top

2004 Mazda B-Series Truck 4dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed automatic 4WD, part-time w/low range

102920 mi

C $200
Replaced fan clutch 

Return to top

2004 Mazda B-Series Truck 2dr Regular Cab 6ft bed

143-horsepower 2.3L I4 5-speed manual RWD

132000 mi

US $30
Replace Thermostat. Thermostat was stuck in open position. Normal wear and tear repair. 

Return to top

2003 Mazda B-Series Truck 2dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed manual 4WD, part-time w/low range

120000 mi

US $220
Overheating, solved with hose and fittings 

Return to top

2003 Mazda B-Series Truck 2dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed automatic 4WD, part-time w/low range

124000 mi

US $20
Cracked PCV hose setting 171/174 (lean mixture) codes. aped hose temporarily until proper parts can be obtained. 
128000 mi

US $50
Thermostat housing is made of plastic. A seam failed and by the time the leak was noticed, it was substantial. The housing is difficult to access and the intake manifold has to be removed to replace it. The housing should have been metal. 
129000 mi

US $50
Check engine light on, codes P0135 and P2195. Replaced oxygen sensor, bank 1, sensor 1. 

Return to top

2002 Mazda B-Series Truck 4dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed automatic 4WD, part-time w/low range

119000 mi

C $195
Hole in the tube to PCV valve which caused my check engine light to come on, 

Return to top

2002 Mazda B-Series Truck 2dr Extended Cab 6ft bed

147-horsepower 3.0L V6 5-speed manual RWD

91900 mi

US $200
Truck would not start. Determined problem due to no fuel delivery to engine. Fuel pump in the fuel tank failed. Replaced fuel pump which resolved the problem. 
96000 mi

US $25
Oil pressure gauge acting up when getting off freeway. Replaced oil pressure sending unit with Ford/Motorcraft genuine sender and all is OK. 
112000 mi

US $100
Replaced camshaft position sensor 
115000 mi

US $35
Replaced serpentine belt idler and tensioner pulleys due to noise at cold start up. 
116000 mi

US $25
O-ring seals on fuel injector was leaking, replace all 12 injector seals (2 per injector). 
116300 mi

US $6
Was getting OBDII code for slight leak in evap system. Found hose in engine compartment between charcoal canister and metal line to be questionable. Replaced hose, cleared code, all OK 
122000 mi

US $150
Fuel pump failed in 115 degree Las Vegas heat. Installed replacement, in tank, fuel pump assembly. 

Return to top

2001 Mazda B-Series Truck 4dr Extended Cab 6ft bed

207-horsepower 4.0L V6 5-speed manual 4WD, part-time w/low range

50000 mi Shop said plug wire were deteriorated because of the age of the truck. I had noticed a drive-ability problem. I replaced them myself, not an easy job! 

Return to top

2001 Mazda B-Series Truck 2dr Regular Cab 6ft bed

147-horsepower 3.0L V6 5-speed manual RWD

109740 mi

C $200
Block heater frost plug blew out draining engine of coolant. Replaced frost plug, started engine, after 5 minutes CEL came on, white smoke from exhaust. Probable blown head gasket. Truck not worth repairing. 

Return to top

2000 Mazda B-Series Truck 4dr Extended Cab 6ft bed

160-horsepower 4.0L V6 5-speed automatic RWD

119000 mi

US $508
replace radiator 
121200 mi

US $600
replace radiator, etc 

Return to top

2000 Mazda B-Series Truck 2dr Regular Cab 6ft bed

119-horsepower 2.5L I4 5-speed manual RWD

211100 mi

US $2
Throttle plate was sticking when first applying pressure on accelerator pedal from idle due to carbon build-up. Cleaned throttle body and replaced throttle body gasket. 
214000 mi

US $600
EGR valve/tube and DPFE sensor were bad 

Return to top

1998 Mazda B-Series Truck 4-door

6-cylinder automatic 2WD

144320 mi

C $650
fuel injector replaced 

Return to top

1991 Mazda B-Series Truck 2-door

4-cylinder automatic 2WD

118000 mi

US $820
Engine jumped time and bent the valves on #3 Cylinder Shop kept the truck 9 months. 

Return to top

See TrueDelta's information for all Pickups
See TrueDelta's information for all Mazda models.

Mazda B-Series Truck 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 Mazda B-Series Truck problems occur, check out our car reliability stats.