R32 Gtst Strange Issue.

[christafari]

G'day Guys,

I thought I would post in this section regarding an issue I am having with my 32 Skyline (1993, Manual, Exhaust, Intercooler, Pod - 170,000kms)

I haven't driven the car in roughly 3 months since I am afraid I will break down on the way to or home from work (There is no areas to pull off the road due to so much construction).

The issue started on a Thursday where I was in very heavy stop & go peak hour traffic I got 1/2 way home then while sitting at some lights and about to start going again the revs were fine to about 1,500rpm then it just cut out and stalled. I started it back up and would just keep cutting out till finally feathering the pedal and riding the clutch pulled off to the side of the road and around the corner the car stalled, I sat there for 30 seconds and started the car up again and it was idling normally. Luckily I got the car home I had one more little hiccup but while going about 100km/h down the high way.

I took the car the following day to the mechanics and they checked it over and found the fuel filter was a bit grubby and one of the fuel lines was unhooked from its rail and sitting higher up which was thought to be the problem.

I then started driving the car to work again Monday, Wednesday then Thursday. Yet again on Thursday the traffic was stop go and the exact same thing happened it cut out while taking off from a set of traffic lights to describe it feels like a learner bunny hopping because of not enough accelerator (It would feel like it was going to go then all power is lost then feel like it is going to go and then cut out or keep hopping along). Again I was able to mange pulling the car off the road left it off for about 5 minutes then started it up idled fine and left it idling for about 10 minutes. I was able to get home again.

So both times the exact same scenario the car doesn't seem to like stop start traffic.

A couple of things that come to mind is you can hear the fuel pump sometimes it gets rather loud when stopping and going you hear it buzzing away then it gets a little louder like it went into a overdrive and pumping faster (Sounds like its pumping then it is just picking up air and spins really fast) - This is what I first thought was the problem.

But now I am also being told is it most probably is the AFM, I haven't touched the car in months it is just in the garage with a flat battery (Going to charge it) - Picking up a new AFM on Saturday from the looks the original AFM is still on the car.

No traffic / Light traffic / Highway use its fine - Long periods of stop start it gets upset.

Anyone's advice would be greatly appreciated since I am a little stressed from possibly replacing the AFM and it happens a few days down the track but also it could fix the problem.

Cheers,

Chris

[dark.sky]

I would be looking at the CAS, they tend to stuff up when they get hot (when broken).