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Engine Randomly Turns Off/ Looses Power

kidafa

By kidafa,
in Engines & Forced Induction

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kidafa Veteran

kidafa

Posted
Posted (edited)

Hi All,

Ive had a bit of weird issue lately with my rb25 in my stagea. Ill be driving along randomly not under much load or anything and all of a sudden everything cuts out/goes real jerky like its running out of fuel or something. It tends to recover then be fine..... How ever over the past two days i actually had it completely turn off and i clutch in then clutch out and it restarts itself.

Today it cut out completely and didnt want to restart. Then it did after a minute or so.

Plugged in ecutalk and im getting MAF fault codes and CAS fault codes.

So im guessing i should replace these?

Ive seen different cas's on different rbs, what to i need to get?

Sam with afm how do i know what will work with my car?

Cheers,

Chris

Edited by kidafa
tridentt150v Grand Master

tridentt150v

Posted
Posted

I'd be checking your fuel system:

pump - is it an original? is it working OK

earth to pump

voltage at pump

FPR

fuel filter

before I started on anything else.

maybe even get a mechanic to test the fuel pressure? takes all of 5 minutes to do, easy as.

paulr33 Grand Master

paulr33

Posted
Posted

before you go into solution mode

whats changed recently?

when did it last not behave like this?

it would be odd for all of a sudden for the CAS and AFM to fail instantly at the same time

kidafa Veteran

kidafa

Posted
  • Author
Posted

It has an after market fuel pump and it's not that old neither is fuel filter.

It's been on and off for a bit didn't change anything on the car and notice it coming on but it's just got worse overtime....

I just finished work (dj) and before I left the carpark I cleared the fault codes with my laptop. As it was showing codes 11 (can shart position sensor and code 12 (mass air flow meter) in ecu talk diagnostic. Had not one issue on the way home. Wonder if this will be the end of my hiccup?

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