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IMOLA 1.4IE Problem

 
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baiones
Alfa Sprint


Joined: 08 Apr 2003
Posts: 130
Location: Portugal

PostPosted: Wed Nov 02, 2005 2:46 pm    Post subject: IMOLA 1.4IE Problem Reply with quote

Hi.

I bought an IMOLA 1.4 IE that needed some repairs.


Needed the crank.


I replaced the crank, all the bearings, gaskets, etc...


After that, i started it, left it workin at idle for almost an hour, for lube.


Every time i start to open the throttle, it starts knocking very loud, and i has no power at all.

After a couple of metters it just dyes.


I start it again and it goes fine.

Only when accelerating.



I noticed a spark going from the alternator( the battery charger, dont remember the name ) to the engine when i accelerate. Bad ground wiring?!?

If i disconnect it the spark stops.




At idle, smooth 800rpms and silent.



Any ideas ?



ECU? Ignition problems?
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Baiones


ALFA ROMEO 33 1.5 QV
ALFA ROMEO 33 1.7 QV
ALFA ROMEO 33 s16 QV
ALFA ROMEO Sprint 1.3
ALFA ROMEO 156 SW "Train Edition" ( it's a JTD... )
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Bellamachinna
Alfa 33


Joined: 12 May 2003
Posts: 352
Location: Lisbon-Portugal

PostPosted: Wed Nov 02, 2005 4:38 pm    Post subject: Reply with quote

Hi Baiones...

Quote:
Every time i start to open the throttle, it starts knocking very loud, and i has no power at all.

After a couple of metters it just dyes.


Have you checked the compression?
It seems that the car is on 3 cylinders.
Have you changed the plugs? The plug cables? Check also your distributor and rotor arm. Check the timing...

Quote:
I noticed a spark going from the alternator( the battery charger, dont remember the name ) to the engine when i accelerate. Bad ground wiring?!?


Probably... Confused Clean up the main gound on the engine (near the starter motor)...

Good Luck
P.Camilo

P.S.- 800Rpm seems a bit low for idling on the 1.4 IE engine. However someone else can confirm this, as i´ve got no experience at all with 1.4 Marelli equiped cars...
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baiones
Alfa Sprint


Joined: 08 Apr 2003
Posts: 130
Location: Portugal

PostPosted: Wed Nov 02, 2005 5:05 pm    Post subject: Reply with quote

Thanks Paulo.


It's a different knocking, a metalic one, like if i didnt replaced the bearings...



About the ground issue, i'll make new ground connections to check if that's the problem.
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Baiones


ALFA ROMEO 33 1.5 QV
ALFA ROMEO 33 1.7 QV
ALFA ROMEO 33 s16 QV
ALFA ROMEO Sprint 1.3
ALFA ROMEO 156 SW "Train Edition" ( it's a JTD... )
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ZeNiTh-PbArM
Alfa 33


Joined: 14 Mar 2003
Posts: 388
Location: Paris, France

PostPosted: Thu Nov 03, 2005 7:28 am    Post subject: Reply with quote

hi,

on boxer engines, most of the times replacing bearings is not enough, as soon as you can hear the noise from the bearings it's too late you have to replace connecting rods too as these wear very quickly when there's play in the bearing.

regards,
zp
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Bellamachinna
Alfa 33


Joined: 12 May 2003
Posts: 352
Location: Lisbon-Portugal

PostPosted: Fri Nov 04, 2005 3:59 pm    Post subject: Reply with quote

Hi Baiones...

Why dont you "junk", that engine, and fit a "new" one?

I`ve got a 1.3 carb version, only problem is that, the engine is still in the car...
If you need it, take it... the only parts that i need from that car are the radiator, starter motor, alternator, and several pieces of interior trim...
The car has no papers...
The engine works (worked last week-end), and makes no noises...

All the best
P.Camilo
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baiones
Alfa Sprint


Joined: 08 Apr 2003
Posts: 130
Location: Portugal

PostPosted: Mon Nov 07, 2005 10:58 am    Post subject: Reply with quote

I'll keep that in mind, but i wont give up untill i figure what's going on.


I like to understand.
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Baiones


ALFA ROMEO 33 1.5 QV
ALFA ROMEO 33 1.7 QV
ALFA ROMEO 33 s16 QV
ALFA ROMEO Sprint 1.3
ALFA ROMEO 156 SW "Train Edition" ( it's a JTD... )
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