B3730 Oldsmobile Eight OBD Code

OBD/2 B3730 error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B3730 Oldsmobile Eight Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3730 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If pressure control solenoid c intermittent short so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the pressure control solenoid c intermittent short.

Difficulty Level (Expert)

Repair Time (35 Min.)

Cost Prediction : $ 30-110

Common Causes of Oldsmobile Eight B3730 OBD2 Code

A common cause of code B3730 is the failure of Pressure Control Solenoid C Intermittent Short, but there are several other possible causes as well, such as ;

• Exhaust tube
• Engine Control Module (ECM)
• Dirty Oil
• Intake air leaks

B3730 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.

B3730 code for other Oldsmobile cars

You can view according B3730 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B3730 Oldsmobile 442
• B3730 Oldsmobile 4-4-2
• B3730 Oldsmobile 66
• B3730 Oldsmobile 76
• B3730 Oldsmobile 88
• B3730 Oldsmobile 98
• B3730 Oldsmobile Achieva
• B3730 Oldsmobile Aerotech
• B3730 Oldsmobile Alero
• B3730 Oldsmobile Anthem
• B3730 Oldsmobile Aurora
• B3730 Oldsmobile Bravada
• B3730 Oldsmobile Curved Dash
• B3730 Oldsmobile Custom
• B3730 Oldsmobile Custom Cruiser
• B3730 Oldsmobile Cutlass
• B3730 Oldsmobile Delmont
• B3730 Oldsmobile Delta
• B3730 Oldsmobile Eighty-eight
• B3730 Oldsmobile F-85
• B3730 Oldsmobile Incas
• B3730 Oldsmobile Intrigue
• B3730 Oldsmobile Intrique
• B3730 Oldsmobile Jetfire
• B3730 Oldsmobile Lss
• B3730 Oldsmobile Ninety-eight
• B3730 Oldsmobile O4
• B3730 Oldsmobile Omega
• B3730 Oldsmobile Profile
• B3730 Oldsmobile Recon
• B3730 Oldsmobile Silhouette
• B3730 Oldsmobile Six
• B3730 Oldsmobile Ss
• B3730 Oldsmobile Starfire
• B3730 Oldsmobile Toronado
• B3730 Oldsmobile Trofeo
• B3730 Oldsmobile Vista Cruiser

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