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.

U0604 Engine Trouble Code

Meaning of U0604 engine trouble code is a kind of network trouble code and U0604 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

U0604 Fault Symptoms :

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

If one of these reasons for U0604 code is occuring now you should check U0604 repair processes.
Now don't ask yourself; What should you do with U0604 code ?
The solution is here :

U0604 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.

U0604 Code Meaning :

U	0	6	0	4
OBD-II Diagnostic Network (U) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Temperature Sensor B Circuit Range/Performance	Cold Start Injector 1 Malfunction	Timing Reference High Resolution Signal A Too Many Pulses

Regarding the U0604 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

U0604 OBD-II Diagnostic Network (U) Trouble Code Description

U0604 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For U0604 Code

The reason of U0604 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

U0604 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

	Example: 0140