Right its about a Fiat but with the amount of knowledge and people on here I know I can get some help.

Got a Fiat Bravo with a 20v turbo engine in, from the coupe.
Had it in almost a year, and once we got it sorted (immobiliser removed completely from the ecu, and box taken out of the car, as it clashed with the original) it was working absolutely fine. Had one electrical gremlin with the fan, which took out an injector wire, but sorted that and it was fine again, running sweet for 6 months, every day.

Now the crux of the problem is this: It wont start. When cranking over, you can smell fuel from the exhaust, and we have comp checked all cylinders, (180psi within 10 of each other) so this leaves spark, or lack of. We've been over the loom and cant find any fault, the coil packs have power to them, but it seems no signal to fire. I have been told to check timing, as it has a cam sensor and crank sensor, which if not lined up, wont allow a start. Doing that tomorrow.
Was wondering if there is anything else I can check? Its a Bosch Motronic (5 i think) ecu, coil on plug as per standard engine. Should i be checking pins on the ecu (and if so which ones) or anything else?

Just to put you in the picture... It was running fine, the lad whos buying it took it down the road for fuel (and i mean down the road, like 1/4 mile) and it just wouldnt restart. The RAC report claimed no power/earth to injectors, but the smell of fuel suggests otherwise.

Ive checked the fuel pump cut off etc, and it primes as normal. The immobiliser is totally ruled out, as it cuts the fuel pump.

Any help would be MINT, I'm totally stuck.
As a side note, I dont see why I'm fixing it when I wasnt in the car when it broke down, (bend it you buy it) but thats a seperate matter, I just want it running. Thinking of keeping it too, my enthusiasm is peaking again....

Steve

 

have you actually checked to see if there is fuel coming out?

perhaps he's just hit a speed bump too hard and tripped the fuel cut off?

 

Pump is priming and runs when cranking

 

ii was gonna say is there a fuel cut off? but then surely you wouldnt be able to smell fuel?

 

crank & cam sensor are a comon fault on these 20v turbo engines first place i would check

 

Can't you get a local garage to check for fault codes with a diagnostic machine?

 

Need an oscilloscope for that?

Yeah he's doing it tomorrow. Dont know how much info he will get out of it? Will it tell him cam/crank sensor is fucked? Timing out? I have no idea

 

Without diagnostics would guess at crank sensor.

 

hope it not the cam sensor cos thats a cambelt off job out off interst what does car go like with this engine init and does the management light stay on when cranking as mine did this all the time but allways restarted a few hours later

 

Hey steve,
Have you checked the items i suggested to you last night mate??.
Have you managed to find the crank sensor?,did you look were i told you to look?

 

Yes mate all checked, thanks again!

Found the crank sensor, the wire initailly looked like it got fried when i had the first wiring problem but all checked and ok, pulsing too.

 

Yeah hope so too.

Car goes very well indeed more to come too if i keep it, big I/C, T34 etc...

The Management light stayed on when cranking, then goes out about 5 seconds after it fires up (when its working). Staying on all the time now
It occasionally comes on when running, and the car hesitates slightly but then clears up.You got the 20vt too? Pics?

 

did he put fuel in it then? if so, was it the right fuel?

 

Yep normal unleaded is what ive always run it on. I would have thought it would run on any unleaded even if it were mapped for super?
(obviously not a good idea though)

 

If the management light is on, then get it read on a fault code reader, will pinpoint the fault straight away!

 

use to have one a while ago and did the same thing as yours but it did use to start up again few hours later or the next day till i changed the cam sensor then it was fine

 

Looks highly likely its the Cam sensor, waiting for confirmation of this tomorrow. If so its engine out time

 

seriously i did mine with engine in in less than 2 hours on my drive and without the cam locking tools it not too bad just a bit fiddly

 

How did you manage that? did you swing the engine round on the rear mount for space?
Did you take the pulley off the cam? And any pics of it?

 

have to take cam pully off to change sensor and iirc cam pullys are verier style that why you really need locking tools doo'nt thing i took any engine mounts off think i took off side wheel off alt belt and bottom pully and the cam belt covers that it were you based as i would happily help you out

 

Leicester mate! Doesnt sound too bad. A mate has the cam locking tool already so i may as well borrow that and have a crack.

 

let me know if ya get stuck i only 45 mins away good look with it all hope ya get it sorted

 

Cheers mate will update as soon as i know more,

 

Steve,i've got a mate of mine who's fitting forged pistons,GT28 turbo,huge intercooler onto a dismanteled 20v coupe turbo here in Rome,if you get stuck and need to know were any other sensors are i'll pop down to him and see or take digi photos.
1 other dodgy component that springs to mind and is fitted to both 20vt and N/A 1800cc coupe models is the VVT soloniod fitted on the inlet cam,i changed 1 last year on my mates N/A 1800cc coupe due to running problems.
They often get slugged up and give untold problems,bit like the VANOS valves fitted to Bmw M3s,lumpy idle,hard starting etc.
Worth a look and easy to remove IF you have the proper cam locking tools.
Let us know mate.

 

Yes mate plenty of pics from the cam pulleys please, lots of angles too!!

 

1 thing though seeing as i'm a nooobie,
how do i post pictures up?,that way i can also
post the photos of my Cosworth eeprom reader...

 

you can upload pics using the post reply button rathe than the box at the bottom of the screen

or you can put the pics up in photobucket or the like and then copy the links across