156 Engine Management Failure oddity? - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 31-10-07 Thread Starter
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156 Engine Management Failure oddity?

Has anybody experienced or can explain why, at the moment, my 156 2.4 jtd can inexplicably cut out (only when warm), with the ECU warning message flashing up only to start after a 5 or 10 minute wait with no warning lights. The car starts first time every morning and every evening, but if I stop off anywhere will fail to restart until cooled down?
This is making calling the AA very difficult, as it tends to start before they arrive (saving me the embarrassment of starting when they turn up I suppose) and planning any journey that requires a few stops and starts.
There is no loss of power when running (until the shut down occurs).
It's just had a service (106000 miles ((trouble free I add))!) and they failed to find anything wrong.

Help/advice please
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Re: 156 Engine Management Failure oddity?

Search post on crank sensor eg.


Hope this helps.

Nice to hear you've had no probs with it till now!

Last edited by jdg; 01-11-07 at 12:11.
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Re: 156 Engine Management Failure oddity?

another vote for crankshaft position sensor.
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Re: 156 Engine Management Failure oddity?

Yep, definitely seems to be a common problem. Luckily its not an expensive fix.
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Re: 156 Engine Management Failure oddity?

Yep, just had this exact problem on my 1.8 TS, would not start until the engine had cooled down (1hr 20mins avg) I learned to fill up at my nearest petrol station (300 yards away, before the car had warmed up, so i could restart it.
The garage said the diagnostic check showed lots of codes, but i told em to do the crankshaft sensor only. They did, and it is now fixed. Cost 31 quid + 1 hrs labour + vat, total £89. (apparantly it is a pig to get to too, just above the exhaust flexy bit)
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156 , engine , failure , management , oddity

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