B2251 Mazda 2000 OBD Code

OBD/2 B2251 error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

B2251 Mazda 2000 Error Code Repair Process :

If your b2251 parklamp output relay driver circuit failure check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system B2251 and engine control unit are in charge of monitoring a bunch of different b2251 parklamp output relay driver circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Expert)

Repair Time (60 Min.)

Cost Prediction : $ 80-120

Common Causes of Mazda 2000 B2251 OBD2 Code

A common cause of code B2251 is the failure of B2251 Parklamp Output Relay Driver Circuit Failure, but there are several other possible causes as well, such as ;

• 1Camshaft Position Sensor circuit poor electrical connection
• Faulty Mass Air Flow (MAF) sensor
• Faulty Air Flow Meter
• Variable Valve Timing (VVT) circuit is open or shorted

B2251 is a kind of Body Trouble Code Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

B2251 code for other Mazda cars

You can view according B2251 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B2251 Mazda 1000
• B2251 Mazda 110
• B2251 Mazda 121
• B2251 Mazda 1400
• B2251 Mazda 1800
• B2251 Mazda 2
• B2251 Mazda 3
• B2251 Mazda 323
• B2251 Mazda 360
• B2251 Mazda 5
• B2251 Mazda 6
• B2251 Mazda 600
• B2251 Mazda 616
• B2251 Mazda 626
• B2251 Mazda 787
• B2251 Mazda 818
• B2251 Mazda 929
• B2251 Mazda Activehicle
• B2251 Mazda Atenza
• B2251 Mazda Axela
• B2251 Mazda Axela Ii
• B2251 Mazda Az
• B2251 Mazda B2300
• B2251 Mazda B2500
• B2251 Mazda B3000
• B2251 Mazda B4000
• B2251 Mazda Brown
• B2251 Mazda Bt50
• B2251 Mazda Capella
• B2251 Mazda Carol
• B2251 Mazda Chante
• B2251 Mazda Clef
• B2251 Mazda Cosmo
• B2251 Mazda Cronos
• B2251 Mazda Cu-x
• B2251 Mazda Cx-3
• B2251 Mazda Cx-5
• B2251 Mazda Cx-7
• B2251 Mazda Cx-9
• B2251 Mazda Demio
• B2251 Mazda Demio 2
• B2251 Mazda Demio 3
• B2251 Mazda Drifter
• B2251 Mazda Etude
• B2251 Mazda Eunos
• B2251 Mazda Familia
• B2251 Mazda Grand
• B2251 Mazda Hakaze
• B2251 Mazda Kabura
• B2251 Mazda Kusabi
• B2251 Mazda Lantis
• B2251 Mazda Laputa
• B2251 Mazda Levante
• B2251 Mazda Luce
• B2251 Mazda Marathon
• B2251 Mazda Mazda 2
• B2251 Mazda Mazda 2 Ii
• B2251 Mazda Mazda 2 Iii
• B2251 Mazda Mazda 3
• B2251 Mazda Mazda 3 Ii
• B2251 Mazda Mazda 3 Iii
• B2251 Mazda Mazda 5
• B2251 Mazda Mazda 6
• B2251 Mazda Mazda 6 Ii
• B2251 Mazda Mazda 6 Iii
• B2251 Mazda Mazdaspeed
• B2251 Mazda Miata
• B2251 Mazda Midge
• B2251 Mazda Millenia
• B2251 Mazda Montrose
• B2251 Mazda Mpv
• B2251 Mazda Ms-6
• B2251 Mazda Ms-8
• B2251 Mazda Ms-9
• B2251 Mazda Mx-3
• B2251 Mazda Mx-5
• B2251 Mazda Mx-6
• B2251 Mazda Mx-flexa
• B2251 Mazda Navajo
• B2251 Mazda Nextourer
• B2251 Mazda Persona
• B2251 Mazda Premacy
• B2251 Mazda Protege
• B2251 Mazda R
• B2251 Mazda Revue
• B2251 Mazda Roadpacer
• B2251 Mazda Roadster
• B2251 Mazda Rustler
• B2251 Mazda Rx-01
• B2251 Mazda Rx-2
• B2251 Mazda Rx-3
• B2251 Mazda Rx-4
• B2251 Mazda Rx-7
• B2251 Mazda Rx8
• B2251 Mazda Rx-8
• B2251 Mazda Rx-evolv
• B2251 Mazda Scrum
• B2251 Mazda Sentia
• B2251 Mazda Spiano
• B2251 Mazda Sport
• B2251 Mazda Sw-x
• B2251 Mazda Taiki
• B2251 Mazda Tribute
• B2251 Mazda Verisa
• B2251 Mazda Washu
• B2251 Mazda Xedos 6
• B2251 Mazda Xedos 9

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