Tech Tip: Easy Fix for Mazda TPS Connection
Some Mazda B-2500 drivers may complain of a high idle in vehicles with a manual transmission. This may be caused by a poor electrical connection at the wire harness to the Throttle Position Sensor (TPS). A service kit (P/N 1F00-18-145) is available to resolve this concern. Correct the condition by following the steps in this Tech Tip.
Tech Tip: MIL On/DTC P2004 on Miata and MazdaSpeed Models
On some vehicles, after sitting overnight and being started, the MIL comes on and DTC P2004 sets into PCM memory. This occurs because vacuum (momentarily) does not flow into the Variable Tumble Control System (VTCS) shutter valve actuator.
Tech Tip: Easy Fix for Mazda TPS Connection
Some Mazda B-2500 drivers may complain of a high idle in vehicles with a manual transmission. This may be caused by a poor electrical connection at the wire harness to the Throttle Position Sensor (TPS). A service kit (P/N 1F00-18-145) is available to resolve this concern. Correct the condition by following the steps in this Tech Tip.
Tech Tip: Mazda Seat Heater Needs a Boost
Some Mazda6 drivers may complain that the seat warmers turn off too early or may not heat to their satisfaction. The operating temperature of the new seat warmer has been increased on later vehicles by 14 degrees F (on average) to address this concern.
Tech Tip: Mazda MPV Brake Noise Keeps ‘Popping’ Up
Mazda MPV owners may complain about rear brake noise. While applying the brakes under normal stopping conditions, usually at low speeds, a metallic popping, clicking or squealing sound can be heard coming from the rear brakes. This may be caused by uneven contact between the brake lining and the brake drum.
Tech Feature: Mazda Driveability Diagnostics and Check Engine Light Complaints
From a torn air intake hose to ignition system concerns, Bob Dowie tackles driveability issues as well as some of the more common ailments that will bring Mazda vehicles into your bays with a check engine lamp complaint.
Mazda: Timing Belt Replacement
A Little Prevention Goes a Long Way
Tech Tip: Mazda Steering Rack Noise
Some 2001-’04 Tributes may experience premature wear and/or noise from the tie rod end, especially from the outer tie rod. This procedure is designed to provide a more detailed procedure for inspecting tie rod ends. It’s also intended to help prevent unnecessary replacement of the steering rack when diagnosing customer concern of ….
Mazda Tech Tip: Curing Rough Idle During or Immediately After a Cold Start
Automotive fuel with high alcohol content may damage the fuel pressure regulator diaphragm. The damage to the diaphragm may allow fuel to enter the vacuum supply line for the fuel pressure regulator. The vacuum supply line uses the No. 3 intake runner as the vacuum source. The unmetered fuel entering the No. 3 cylinder on cold starts may cause a rich mixture misfire.
Tech Tip: Curing Rough Idle and Hesitation on Mazda 626 Models
Some 2000-2002 Mazda 626 models with the FS 4-cylinder engine may experience a rough idle, hesitation, stumble and/or misfire during or immediately after a cold start. A DTC P0303 may also be stored in memory. In extreme cases, the engine may stop running and multiple misfire codes, like P0300-P0304, may be stored in memory.