Decided to take my turbo to work instead of BMW to give it a run out whilst it wasnt raining (very rare occassion lately)

drove there 70 - 80mph, no probs (approx 15-20miles)

On way home, mainly stayed around 90-110mph (speedo may be incorrect, when rollered 2 or so years ago, 90 was actually nearly 100, and so on)

Got around 2 miles from home, and engine dies (on duel carridgeway).

I pull over to side of road and try to re start, just turns over without firing. I lift the bonnet to see if I ca spot an obvious problem, and turbo is glowing red!!! I mean it looks as if it has spent a day in a blacksmiths furness!!!!!!

All the while temp gauge showing normal, I checked oil filler cap n dipstick, no sign of headgasket problems.

I ring my lass (out of bed, its 3.55am) to come and get me, and in the mean time I try t start it again,
(maybe 5 - 10 mins have passed since breakdown)

It turns over again without firing for around 20 seconds, and then eureeka!! it fires up, I then drive home, without problem, boosting fine etc.

anyone know - What the hell happened????? What went wrong???

 

dont know if its relevant, but Ive only had the car a few month, and it had a brand new turbo fitted not long B4 I bought it.

I thinks its a standard garrett T3 turbo

Car has race clutch, stage 3 head, piper cam, bleed valve, chipped, running 15/16psi, pace double capacity intercooler.

runs fine 90% of time, but sometimes when you floor it a bit, you get to say 3rd gear and it boosts so far and wont go no more, holds there, or seems to missfire a bit????

(ive bought a collins -31 atuator and will fit that and remove bleed valve, just havent got round to it yet, as boost problem has been suggested as weak actuator???

 

Get a heatshield for your starter motor, thats your re-starting problem. Your turbo's cooked it

As for cutting out, maybe you just need a good setup? If you're engines using bosch KE, no doubt someones fiddled with it and its a bit out of sync?

Get it to a decent tuner and checked over

 

ive had a few rs turbo's in my time and ive found that the fuel pump relay's on them can cause this sudden cut out problem, the pink one under the drivers side footwell, if you drive it again and it cuts out feel the relay and i bet its red hot, check the plug wiring and change the relay mate, just an idea anyway.

 

Maybe the timings out so whilst cruising it was heavily retarded causing the excessive heat build-up..

 

There was nothing wrong with the starter mate, as I said above, it was cranking over fine, just wasnt firing

 

coil pack?

 

Im pretty sure the reason it cut out was due to the glowing turbo, as once Id left it to cool, it started??

What I dont know is how and why it happened

 

No, that wasn't the cause. However, the cause of the turbo to glow could also be the problem with it starting.

 

try sort this then? when i come on boost i have no probs got a stage 2 turbo with jamsport actuator, but on light throttle it misfires...........

 

Could be your ACT's, I think the ECU can cut the engine if the ACT's are too high (or actually it might cut your boost right back, not 100% sure now), what IC do you have and what boost are you running?

 

It says above m8 LOL

 

turbos always glow. boot it up a big hill or down a dual carrigeway, loading the car up and it wil soon be glowing red.

 

hehehe oh yeah! "running 15/16psi, pace double capacity intercooler"
Well a Pace Double is also known as a 'Interwarmer'....lol... and for good reason they do not cool any better than a standard IC! So you are really pushing it at that boost, if it is the ECU cutting because of high ACT's you'll just need a proper FMIC or drop back to say 14psi.

 

The ECU does not cut the engine out if the ACT gets too hot.

 

If your 100%.......... then it isnt that!! lol
I'm sure i read there is a condtion that will make the ECU cut the engine to protect it?!
EDIT:

Ah.....i was thinking of a standard ECU overboost protection!
Sorry.......... no help whatsoever! lol

 

I kick the living shit out of my car and I have never had the turbo glow realy bright. Only a slight redness to it. Cruising will not cause it to glow. Only hard acceleration will do it and usually it takes a good few hard sprints before it will glow or a top speed run.

2 things will cause the turbo to glow excessively and that is excessive ignition retard, or excessively high exhaust gas temps through either a restriction or running lean.

 

Thats what I thought mate, I mean this thing was proper glowing, like metal does when a blacksmith has had it in a fire!

Its actually discoulered the metal when ive gone out and had a look at it this morning, car started no poblems though

 

Check your dizzy hasnt slipped...........

 

hi mate check if you connector on top of your dizzy is fully locked, mine cut out tonight, couldnt find what it was, then found out it was that

 

many moons back I had a frst, the fuel relay would get hot on a long journey and the car would cut out.

In the end, I wired the damn thing out of the fuse box so that it would keep cooler, seemed to do the trick.

 

mine was the timing, is it a s2? these have knock sensors, if the ecu detects any hint of det then it backs off the ignition, this was happening to mine which caused the turbo to glow red and seem to be sluggish in 3rd. Faulty sensor in my case. Hope this helps

 

well i took it out for a run to the shop today, first time since broke down last week, started ok, drove fine (never boosted it as wasnt going far and never really got it warm enough), drove home and about 400 meters from the house, cuts out again!!!! I noticed this time immediately before it cut out, there was a noise started, sorta like a noise a fly/wasp etc makes like a buzzing, but a depper tone than say the normal fuel pump buzz. then like a backfire / pop and it dies, and I remembered that this hapened last week when it cut out also, however it cut out before I could hear were it was coming from. I feewheeled to side of road, turned on igniton, fuel pump buzzed as normal etc, tried to start and it was just turning over for about 3 - 4 seconds, then it fired up, and drove the rest of the way fine again

My head is battered with it. I daresnt take it anywhere now incase I get stranded anywere and have to mess on gettin recovered

 

hi try the connection on the dizzy mate mine cut out last week found out it was this, it wasnt clipped in properly

 

checked it m8, i tried it last week when u mentioned it. i wish it had ov been that, atleast id know! lol