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C1894 Engine Trouble Code

Meaning of C1894 engine trouble code is a kind of chassis trouble code and 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 $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

C1894 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for C1894 code is occuring now you should check C1894 repair processes.
Now don't ask yourself; What should you do with C1894 code ?
The solution is here :

C1894 Possible Solution:

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

C1894 Code Meaning :

C	1	8	9	4
OBD-II Diagnostic Chassis (C) Trouble Code For Engine	Fuel And Air Metering	Engine Oil Temperature Sensor Malfunction	Crankshaft Position Sensor A Circuit Malfunction	Timing Reference High Resolution Signal A Too Many Pulses

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.

C1894 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1894 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For C1894 Code

The reason of C1894 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

C1894 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.

	Example: 0140