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Toyota Trd P1578 Engine Trouble Code

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.

Toyota Trd P1578 Code Meaning :

P 1 5 7 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Cylinder 10 Contribution/balance Fault Clutch Position Sensor Circuit Malfunction
Toyota Trd Engine

When you check Toyota Trd car engine light came on code P1578 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1578 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1578 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for P1578 code is occuring now you should check P1578 repair processes.
Now don't ask yourself; What should you do with P1578 code ?
The solution is here :

Toyota Trd P1578 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P1578 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1578 OBD-II Trouble Code ETC Power Less Than Demand is one of the definitions for the P1578; however your vehicles manufacturer may have a different definition for the P1578 code. Please check below for your specific make. P1578 code.

Reason For P1578 Code

The reason of P1578 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a P1578 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.