Solved! R32 Gt-r Issues -engine Misfire/engine Dies Intermittently!

[Bluebird_TRX]

Hey all,

Had the problems with the engine dying randomly and spasmodically and falling back to the safe mode. Especially (almost only) after it was hot. Noticed that the AFM#2 voltage was dropping to zero during this event so opened it up for a squiz (run a power FC - go into check sensors screen). There is a copper pressing soldered in place over the circuitry immediately under the AFM cover. This is a obviously a noise shield(re interference shield) over the circuit board (CB). This copper shield was warping (expanding and contracting with the heat) and MAKING CONTACT with a few soldered pins protruding on the top CB under the shield, shorting the CB!!!!! I also resoldered all accessible spots in case of a dry soldier (doubt this was the cause though) and clipped the protruding pins back. Fixed. No problems. Don’t forget to clean the silicon sealant out and replace with good quality high temp stuff.

Next time you think the AFM is 'burnt out' or 'stuffed' give it to me so I have some spares!

Cheers all,

Dave

[TTT]

old news mate..

if you had searched you would have found a few threads on AFM issues with this fix already tried and tested in them.

good that your car is going again though

[ther32driver]

i got two AfM which i just changed, would give it to you for $100 bucks for both. it came off a r32 gtr

[Bluebird_TRX]

old news mate..

if you had searched you would have found a few threads on AFM issues with this fix already tried and tested in them.

good that your car is going again though

Bugger, I couldn't find any solutions on the forum, just heaps of theories and complaints matching the running conditions I was eperiencing. Which thread was it in????