How do I check my ECU z31 code?

How do I check my ECU z31 code?

Getting codes from ECU.

1. Turn ignition switch to ON position.
2. Use a screwdriver to turn ECM diagnostic mode selector on ECU fully clockwise.
3. Wait for inspection lights to flash 3 times sequentially. (
4. As soon as inspection light flashes Mode 3, turn mode selector off. (
5. Count number of flashes and record them.

How do I reset my ECU 300ZX?

How to Reset the ECU for the 300ZX. Put the key in the ignition and turn it to the “On” position, but don’t start the engine. Press down on the accelerator very fast five times within five seconds. You have to press the pedal all the way to the floor each time.

What does it mean when my check engine light flashes 8 times?

If your check engine light is flashing it means that your engine has a misfire. This is something you need to get diagnosed and repaired soon as it can damage your catalitic converter.

Can a rich condition cause a misfire?

Fuel system problems may cause a rich or lean condition, which can contribute to spark plug misfires. Leaky, or clogged, fuel injectors or poorly tuned carburetors are often the cause. If an oxygen sensor has failed, or is no longer communicating with the ECU, the vehicle will default to a safer rich fuel condition.

What causes a misfire at high rpm?

A high RPM misfire can be caused by lean misfire; because the carburetor or fuel injection is not able to deliver enough fuel at that speed. Another cause that is prevalent is “valve float”.

What is the normal idle RPM for a car?

between 600 and 1000 rpm

Why is my car sputtering at low rpm?

Most likely if it has a carburetor the carburetor needs an adjustment, or spark plugs are old and worn out, air filter is possibly worn out and clogged with debris so its restricting the airflow. Oxygen sensor is a possibility. Or it could be a fuel filter/injector clogged/ fuel pump blocking proper fuel flow.

Why does my car stutter at 1500 rpm?

In general, when a vehicle sputters and is hard to accelerate, it is due to either a fuel or ignition system component failure. It’s also possible for dirty air and fuel filters, fuel injectors or the throttle body needing to be cleaned that can cause this problem.