The diagnostic code P2189 for a Mazda MPV indicates a "System Too Lean at Idle" condition, meaning that the engine's air-fuel mixture is too lean (not enough fuel) when the vehicle is idling. This can be caused by a variety of issues such as a vacuum leak, faulty fuel injectors, or a malfunctioning mass air flow sensor. Addressing this issue is crucial to ensure proper engine performance and prevent potential damage. Diagnostic testing and inspection are recommended to identify the specific cause.
Trouble code P0340 means:Camshaft position sensor circuit malfunction
Trouble code P0720 means: Output Shaft Speed Sensor Circuit
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
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The diagnostic trouble codes P2187 and P2189 indicate that the engine is running too lean, meaning there is an insufficient amount of fuel in the air-fuel mixture at idle. This can be caused by issues such as vacuum leaks, a malfunctioning fuel system, or faulty sensors. P0441 refers to a problem with the evaporative emission control system, indicating a malfunction in the purge flow during operation. Together, these codes suggest that there may be multiple issues affecting your vehicle's fuel and emissions systems that need further investigation.
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I have an identical vehicle and am not familiar with code 27; all diagnostic codes for this vehicle have a four-digit number and I have been unable to find a code 27 in my service and repair manual. Use an OBDII scanner to obtain the correct diagnostic code number.
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Misfire code
The Ford diagnostic code 316 is a misfire detected at engine start up.
Trouble code P0730 means:Incorrect gear ratio
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