Code Search

Please fill the "Code Box" to find engine fault code.

Car Models :

Please select your car.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

C1794 Engine Trouble Code

Meaning of C1794 engine trouble code is a kind of chassis trouble code and C1794 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

C1794 Fault Symptoms :

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

If one of these reasons for C1794 code is occuring now you should check C1794 repair processes.
Now don't ask yourself; What should you do with C1794 code ?
The solution is here :

C1794 Possible Solution:

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

C1794 Code Meaning :

C	1	7	9	4
OBD-II Diagnostic Chassis (C) Trouble Code For Engine	Fuel And Air Metering	Fuel Rail Pressure Sensor Circuit Malfunction	Crankshaft Position Sensor A Circuit Malfunction	Timing Reference High Resolution Signal A Too Many Pulses

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

C1794 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1794 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For C1794 Code

The reason of C1794 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a C1794 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0140