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Help With Rb26dett Stalling

Phatboy

By Phatboy,
in Engines & Forced Induction

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Phatboy Mentor

Phatboy

Posted
Posted

Hi guys, just wondering if I could get some advice on my R34 GTR. It's a 2001 RB26DETT with only 60k on it (weekend car), and is well maintained (eg., serviced every 6 months with Motul 300V).

Mods

- Garrett 2860-5 turbos (only went in a year ago)

- PWR 700cc injectors (only went in a year ago)

- Apexi PowerFC with EBC addon

- HKS adj cam gears

- HKS split and dump pipes

- HKS hi-power catback exhaust

- Apexi pod filters

- STOCK AFMS

It has stalled twice in the last 2 weeks. It happened when I started the car from a relatively warm start, and with the car stationary and clutch fully depressed the engine was really struggling to maintain idle revs, with the needle bouncing between 300-1200 rpm and the dash illumination going dimmer and brighter. It would then stall. When I restart the car, there's no problems. No problems at all with driving either.

Anyone have any idea what's going on? The only other thing that's wrong is that the boost gauge on the MFD is "stuck" around -0.01 boost.

Thanks very much.

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Moodles2 Grand Master

Moodles2

Posted
Posted

Stock AFMs (same AFMs as the R32 GTR which max out at approx 300kw?) and -5 turbos.. are you sure they're not -7's?

As for stalling, could be many things.. a inlet manifold leak, loose intercooler hose, alternator issue.. any black smoke when it's stalling.. condition of plugs?

Phatboy Mentor

Phatboy

Posted
  • Author
Posted

Hi, yes they are stock AFMs. Was planning to get Nismo ones, but they are still on order.

They are definitely -5s

The spark plugs should be good... just changed them about 6000 kms ago with the iridium NGK ones and properly gapped.

Hmmmm don't think there was black smoke. Kind of odd that it only happens occasionally and most times never have a problem - very stable idle, and the problem is also completely gone if I restart the engine.

Might have to get my mechanic to look at it. sometime in the future. Damn maintaining a turbo import is expensive :D

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