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.
40 years of the Mazda Rotary Engine
On May 30, 1967, Mazda launched the world’s first twin-rotor rotary-engined car, the Mazda Cosmo Sport. The company now celebrates that engine’s 40th anniversary. In these past 40 years Mazda has produced nearly 2 million vehicles powered by the rotary engine. It was not until 1970, however, that Mazda sold rotary-engine-equipped cars in the United
Mazda Tech Tip: Hesitation/Surge or MIL on with DTSC P0102/P0103
The malfunction indicator lamp (MIL) may illuminate with diagnostic trouble codes (DTCs) P0102 and/or P0103 on any 1998-’99 Mazda B-Series 2.5L. There may be driveability concerns, such as hesitation and/or surge, during acceleration under normal driving conditions. This may be caused by an out-of-specification mass air flow (MAF) sensor.
Engine Diagnostics: Mazda
We’re going to take a look at the Mazda line of cars and trucks with an eye on driveability service and diagnosis. In particular, we’ll look at some driveability problems that may result in an illuminated check engine light, as well as some problems that will illuminate the light but may not result in a
Mazda Tech Tip: Hesitation/Surge or MIL on with DTSC P0102/P0103
The Malfunction Indicator Lamp (MIL) may illuminate with diagnostic trouble codes (DTCs) P0102 and/or P0103 on any 1998-’99 Mazda B-Series 2.5L.
Tech Tip: ASC Reminds Technicians that Mazda Water Pump Twins are not Identical
When referring to a catalog, whether OEM or aftermarket, a technician will find two different part numbers for a water pump for the Mazda MPV V6 3.0 liter: one for model years 1989 to 1995 (Pump A) and one for model years 1996 to 1998 (Pump B). No problem, right? Where the problem lies is the transition between 1995 and 1996 models where the vehicle could be equipped with either pump. If the wrong pump is installed, it can lead to a big headache.