Software, and additional revisions made to those calibrations for service In any RI/Service Bulletin may change due to future releases of WDS * Please be aware that PCM calibration part numbers and file names listed * WDS shows the calibration part numbers after programming the PCM. You mayĪccidentally stop power to one of the PCM terminals and cause the PCM toīe blanked, or you may receive error messages during the WDS Reprogramming when the WDS screen prompts you to do so. * It is not necessary to remove any fuses or relays during PCM Updated to the latest WDS calibration level, the calibration file will not Go to "WDSĬalibration" on ESI and download the "update" file.
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* Always update the WDS PTU first, then install the needed calibrationįile that the WDS shows during PCM reprogramming. Using WDS B27.4 or later software, reprogram the PCM to the latestĬalibration (refer to "Calibration Information" table) by following the Protege PCM's should be reprogramed using the following procedure.Ģ.
Hesitation and/or intermittent stumble under acceleration. MAZDASPEED PROTEGE - HESITATION UNDER ACCELERATION Mazda's official Technical Service Bulletin (TSB/M-TIP) is shown directly below: It is *NOT* reversible unless you find another unflashed Mazdaspeed owner who is willing to trade ECU's with you.
Please think about your future plans before proceeding with the flash. Keep in mind that if you plan on adding a boost controller to your car, advanced timing is a bad thing and could lead to knock or detonation. What it does is advance the timing to a point where the car leans out a bit more and gets rid of the too overly rich condition.
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A flash is just a reprogramming of the car's computer and is available for FREE at Mazda dealerships. Mazda has released a flash which "cures" this condition.
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How To Fix: If the hesitation bothers you to the point where you want to drive your MSP off of a cliff, stop by your dealership before you do so. When the ECU switches modes it is going from lean to rich basically, which will make that hesitating feel." Rich mixtures cause the poor drivability and hesitation. As another member stated: "It is hard to notice an engine that is running lean to a certain point, mostly because it feels very powerful for the most part.
The car basically becomes overly rich and "floods" itself. Why: Basically, what happens is that when you hit wide open throttle, the ECU switches to an open loop and dumps a HUGE amount of fuel in the mix. If you've ever done that and noticed that while at full throttle the car seems to bog down like it won't go any faster, then you've just experienced hesitation. What: A few of the members here like to occasionally "smash gas" from time to time. TAKE THE ADVICE BELOW WITH A GRAIN OF SALT AND USE YOUR OWN JUDGEMENT AND THAT OF YOUR DEALERSHIP'S SERVICE ADVISORS' WHEN IT COMES TO YOUR VEHICLE'S SPECIFIC NEEDS OR PROBLEMS. DO NOT GIVE YOUR DEALERSHIP A HARD TIME IF THEY ARE REFUSING SOMETHING JUST BECAUSE YOU SAW IT HERE OR AT ANOTHER FORUM. YOUR DEALERSHIP HAS THE MOST ACCURATE AND UP-TO-DATE INFORMATION ABOUT YOUR CAR AND IS MORE THAN LIKELY CORRECT IF THEY ARE GOING AGAINST SOMETHING WRITTEN IN THIS THREAD. IT IS MERELY A COLLECTION OF COMMON PROBLEMS EXPERIENCED BY THE MEMBERS OF THIS BOARD. Also, Thanks to TheMAN and his Protege FAQ for the Technical Service Bulletins. ATTENTION: THE FOLLOWING INFORMATION IS NOT OFFICIAL IN ANY WAY, SHAPE, OR FORM.
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