RB25DET cut out when engine reaches full load

[Gronk33]

Hey guys,

I keep having this problem when engine goes under full load and the turbo spools to 10psi there is a weird momentary cut out, I have read it could be a rich and retard or a air flow cut by the ecu (still running the oem ecu), another thing I read is it could be caused to the engine running rich (which mine is) but i cant get that sorted until i get rid of the oem ecu.

Any suggestions?

 

[Ben C34]

Boost leak. Spark plug gap, coils

 

What have you actually tried?

 

 

[trel]

Vac. leaks 100%, get a set of splitfires or OEM if you want to splash out and plugs and she's good to go. If the coil loom is looking and feeling a bit crusty, get a new (wiring specialties) one. Been covered to death here mate have a quick search.

 

[Gronk33]

On 20/02/2021 at 4:36 PM, Ben C34 said:

Boost leak. Spark plug gap, coils

 

What have you actually tried?

 

 

I turned the boost down to 9 via a boost T and it seems to solve the problem, but its possible that your suggestions are correct I'm not sure atm

[Ben C34]

5 minutes ago, Gronk33 said:

I turned the boost down to 9 via a boost T and it seems to solve the problem, but its possible that your suggestions are correct I'm not sure atm

Actually one more. What gauge are you using?

[Gronk33]

28 minutes ago, Ben C34 said:

Actually one more. What gauge are you using?

I'm using a turbosmart gauge

[Super Drager]

Lol R&R my r33 did that on the stock ecu too. Turn the boost down or get an aftermarket ecu.