159JTD 16V won't start - Alfa Romeo Forum
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(Post Link) post #1 of 9 Old 19-07-12 Thread Starter
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Not Happy 159JTD 16V won't start

Approx. 11 weeks ago I started, with no problem, and drove the car 5 miles or so, parked, returned to the car 10 mins later & it would not start. It hasn't run since. Car has been in the hands of 3 garages inc. 2 Alfa specialists - 1 from Liverpool & the other in Wolverhampton . EGR, ECU, cam sensor & everything else you can think of has been checked, tested & changed including cam belt tensioner, 3 rockers and full timing reset.
Still won't go. I'm at my wits end with this car - any ideas that could be passed on to the present Alfa expert who is as baffled as everyone else?
Car was reg. Jan 2008 & has covered only 25860 miles.
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Why has it had rockers and belts (did the belt snap)? What codes has the ecu recorded? Common fault is a crankshaft sensor but would like to think the specialists have checked this
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(Post Link) post #3 of 9 Old 23-07-12 Thread Starter
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I'm told the crankshaft sensor has been checked & is OK. Belt did not snap - the cambelt tensioner was broken thus causing the timing to be considerably out and, presumably, causing 3 rockers to be damaged. I don't know what fault codes the ECU recorded - I will ask & try to get this info. Latest suspicion is a fault in the low pressure fuel supply - seems that the pump starts a flow as soon as an attempt is made to start but then immediately cuts out. Interestingly, the engine will start using Easystart but won't continue to run.
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Quote:
Originally Posted by PhilMac View Post
I'm told the crankshaft sensor has been checked & is OK. Belt did not snap - the cambelt tensioner was broken thus causing the timing to be considerably out and, presumably, causing 3 rockers to be damaged. I don't know what fault codes the ECU recorded - I will ask & try to get this info. Latest suspicion is a fault in the low pressure fuel supply - seems that the pump starts a flow as soon as an attempt is made to start but then immediately cuts out. Interestingly, the engine will start using Easystart but won't continue to run.
Don't use Easystart!!!!!!!!! you will kill it

Ned
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(Post Link) post #5 of 9 Old 30-07-12 Thread Starter
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Easystart used by the mechanics at the workshop (Alfa experts)n - I think only as a test exercise. Latest info is that a fault has been detected (broken wire) in the engine wiring loom. New loom on it's way from Italy. Let's hope this is the final solution - car now off the road for 13 weeks.
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Fingers crossed for you.

Let us know how it goes
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(Post Link) post #7 of 9 Old 06-08-12 Thread Starter
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Wiring loom arrived from Italy last Wednesday. Fitted & engine fired up immediately! Wow - a result at last. This has been a bit of a nightmare all round - not least for the guys who have spent many hours working on the problem. Everyone who has been involved has been very fair about costs. A lot has been learnt from this exercise - let's hope that others can benefit from the learning curve in future! Great to have the car back on the road - only have to maintain our confidence in it continuing to work OK!!!!!
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Hi, do you know what wire was broken, glad your car is all fixed but I bet a whole new engine loom wasnt cheap.
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(Post Link) post #9 of 9 Old 13-08-12 Thread Starter
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Sorry - don't know which wire was at fault. The mechanics who worked on the car could not pin it down to a specific wire but the suspicion was wiring associated with the high pressure fuel delivery pump to the common rail. Surprisingly, the cost of a new loom was quite reasonable - a lot less than I expected. We are talking, including fitting, of a cost in the region of £650.00 + VAT. Total bill was more than this because we had the cambelt & tensioner replaced while the engine was receiving attention. Credit due to the local Alfa experts - they were very accommodating regarding costs given the total number of hours spent investigating the problem.
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