P2978 Trouble Code

View P2978 obd/2 error code description and symptoms. P2978 engine photo

Mass Air Flow (MAF) Sensor Intermittent The MAF sensor circuit is monitored by the PCM for sudden voltage (or air flow) input change through the comprehensive component monitor (CCM). If during the last 40 warm-up cycles in key ON engine running the PCM detects a voltage (or air flow) change beyond the minimum or maximum calibrated limit, a continuous memory diagnostic trouble code (DTC) is stored.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P2978, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P2978 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

Difficulty Level (Soso)
Level
Repair Time (50 Min.)
Time
Cost Prediction : $ 90-120

P2978 Error Code Repair Process :

The scent may P2978 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such P2978, so if the inside of your car climate control temperature differential circuit short to ground as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Wrench Tool P2978 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P2978

A common cause of code P2978 is the failure of Climate Control Temperature Differential Circuit Short To Ground, but there are several other possible causes as well, such as ;

P2978 code for all cars

You can view according P2978 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2978 Toyota Ist +P2978 Austin 2200 +P2978 Toyota Sports +P2978 Volkswagen Kombi +P2978 Simca Plein Ceil

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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