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B1012 Engine Trouble Code

Meaning of B1012 engine trouble code is : Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B1012 Possible Solution:

B1012 Engine

Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.

B1012 Code Meaning :

B 1 0 1 2
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Ambient Air Temperature Sensor Circuit Low Engine Shutoff Solenoid Malfunction Glow Plug/Heater Circuit 'A' Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B1012 OBD-II Diagnostic Body (B) Trouble Code Description

B1012 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Reason For B1012 Code

The reason of B1012 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

B1012 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.