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Resources for the Repair and Maintenance of your 2004 Mazda B2300

2004 Mazda B2300

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2004 Mazda B2300 Problems

Engine -- Verified

If the engine cranks but does not start, it may be caused by a tripped inertia switch. Switch the key to "ON" and the fuel pump should be heard running for a second or two. Listen at the gas filler if necessary. The inertia switch is located on the firewall and can be tripped when the parking brake is set too hard and then released. The inertia switch should be reset, and will click when it is reset.

Engine -- Verified

The engine may fail to start due to an electrically shorted sensor. Some of the sensors may internally short and not blow any fuses. A technician may find no spark and no operation of the fuel injectors in the diagnosis. One way a technician may isolate the defective sensor is by disconnecting sensors one by one to see if the engine starts.

Engine -- Verified

Water intrusion into a connector (X309) located under the cab, beneath the driver's seat, can cause a rough idle, ABS Light and Check Engine Light illumination, and automatic transmission shifting problems. If needed, connector repair parts are available from Mazda dealers, and possibly some Ford dealers.

Engine -- Verified

A dirty, or contaminated mass airflow (MAF) sensor can cause the engine to run poorly. There may be a Check Engine Light with trouble codes relating to the MAF sensor. In some cases, carefully cleaning the sensor element will fix the problem, but replacement may be required.

Engine -- Verified

The Check Engine Light may come on with a trouble code for the Cam Position Sensor (CMP), P0340. This can be caused by the negative battery cable being too close to the sensor. The cable should be repositioned, clear the trouble code, and verify that the cable is causing the problem.

2004 Mazda B2300 Questions and Answers

jerrij29, 2004 Mazda B2300, Prescott, AZ

I need price for screw that holds swaybar and installation

Faye2020, 2004 Mazda B2300, Austin, TX

When first excellerating engine feels like it is missing (not very noticable though). When speed is about 40mph the engine produces a very loud "roar" sound- no knocking or pings, just ro...

sniper 32, 2004 Mazda B2300, Amonate, VA

truck wont start although glow plugs where changed

Faye2020, 2004 Mazda B2300, Austin, TX

I changed out the alternator then shortly after the 2nd gear in the transmission became sluggish. Now I have to let off the accelator to get it to shift into second gear. Any ideas.

colettechildersw, 2004 Mazda B2300, Willards, MD

i had it replaced only it started being tripped with every bump so want to by pass it all together

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