2002 mazda protege 5 speed spark delay valve12/24/2023 Refer to the SRT microfiche for warranty term information. NOTE: This information applies to verified customer complaints on vehicles covered under normal warranty. Install revised PCM calibration sticker (9999-95-AMDC 97 available through MStore) in appropriate position (next to vehicle emissions label) with the calibration P/N provided in the table above.Ģ002 model year built on and before November 5, 2001 Reprogram the PCM using WDS (Version B22 or later), verify the correct calibration from the table below: From what I read in the Service Highlights, that surge in torque in 3. Replace the VTCS delay valve, then proceed to step 4. Im trying to understand why the modders are removing their VTCS variable tumble control system flaps, or keeping them open all the time. There is a counter-measure to help reduce the noise in order to improve customer satisfaction.Ĭustomers having this concern should have their vehicle repaired using one of the following procedures:įrom VIN JM1BJ2***1*400001 to JM1BJ2***2*551281, go to step 3.įrom VIN JM1BJ2***2*551282 to JM1BJ2***3*644493, go to step 4. The noise does not have a negative effect on the engine, and disappears as soon as coolant temperature reaches 65 C (149 F). Swirl accelerates the burn of the air/fuel mixture which reduces emissions when the engine is cold. Learn more about Mazda Protege5 at the Car Forums Read real discussions on thousands of topics and get your questions answered. The noise is the result of the intentional swirl effect that is generated when the Variable Tumble Control System (VTCS) plates in the intake manifold are closed. Some customers may experience an engine rattle noise under light to moderate acceleration with engine coolant temperatures below 65 C (149 F) and engine RPMs between 10 RPM. 01-004/03 2001-2003 PROTEGE/PROTEGE5 - RATTLING NOISE AT 1000-3000 RPM COLD ENGINE The 2002 MAZDA Protege5 receives an average consumer rating of 4.6 overall and a 4.7 for reliability, which means owners consider its reliability to be above average.
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