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P1604 Engine Trouble Code

Meaning of P1604 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P1604 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P1604 Fault Symptoms :

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

If one of these reasons for P1604 code is occuring now you should check P1604 repair processes.
Now don't ask yourself; What should you do with P1604 code ?
The solution is here :

P1604 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.

P1604 Code Meaning :

P	1	6	0	4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Fuel And Air Metering	Fuel Temperature Sensor B Circuit Range/Performance	Cold Start Injector 1 Malfunction	Timing Reference High Resolution Signal A Too Many Pulses

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P1604 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1604 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P1604 Code

The reason of P1604 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P1604 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

	Example: 0140