hi guys i need your help
I have a rx8 2004 which I replaced the engine but the engine I put on start when it is cold but after heating is turned off and no longer so I have wait for it to cool so on. and I change the spark plugs, cables, coils, starter, any advice I thank you.

 

Where did you get the engine you put in? Because that sounds like low compression.

 

Do you have an ODBII scanner of some sort to help diagnose the problem?

First of all as Loki asked where did the engine come from? Secondly please describe it a little further. How long does it run before it dies? Does it run well and just will not start after you turn it off? Does it IDLE smoothly?

 

hi guy I got the engine from JDM of California and does not start after turn it off and also it has IDLE troubles

 

Can you offer a little more detail? Loki asked a few very specific questions that could help us to identify your issue.
From what you describe, it sounds like the signs and symptoms of an engine with low compression.
When and where did you have your engine replaced? Do they offer any type of warranty? Try contacting them for more assistance.

 

Start by reading this thread
https://www.rx8club.com/series-i-tro...t-here-222584/

Starting the Engine
• Starter
• Battery
• Engine Compression
• Grounding Wires
• Ignition Coils
• Spark Plugs
• Spark Plug Wires
• Fuel Pump
• Fuel Injectors

Keeping the Engine at an Idle
• Ignition Coils
• Spark Plugs
• Spark Plug Wires
• Engine Compression
• E-Shaft Sensor (ESS)
• Mass Air Flow Sensor (MAF)
• Front O2 sensor
• Catalytic Converter (Cat)
• Intake Vaccum

Does sound like perhaps a bad rebuild