Alfa Romeo 156 2.4 JTD 2002 "Low engine oil Pressure Warning" - Alfa Romeo Forum
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Alfa Romeo 156 2.4 JTD 2002 "Low engine oil Pressure Warning"

Hi, I'm new to the forum so please help if you can. I have an Alfa Romeo 2.4 JTD 2002 reg with 80k. Full service history. I was recently driving on the motorway when I lost power and the engine cut out. The warning displayed said "low engine oil pressure switching engine off" I took the car to the garage. The power steering pump needs replacing and a pully do far but on checking the engine for faults there is nothing showing. The engine is running perfectly and is not doing this anymore. Obviously I was concerned it might have been the engine but this has been checked and it's fine. Could this be a sensor somewhere that is faulty or is there some other reason I'm having this issue ? The garage are struggling to find the issue. Thanks and hope someone can help !!!
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Crank sensor for sure - these fail when hot and recover when cold, failure typically does not cause a fault to be logged. The low oil pressure is a consequence of the engine stalling due to the crank sensor and is nothing to worry about.
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Hi, thanks I will see what the garage says and look to replace it regardless. Shall post another reply once I get a result from the garage. Thanks and if
You have any other suggestions. Thanks again
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Hi, had the work done and running very smooth now. No signs of the same
Problem. I do however have two other niggles that appear to have come up since and was wondering if these are just gremlins or something I again need to have done. 1. Not every time I switch the car on but occasionally the glow plug symbol flashes for 30 seconds before going out. Is this normal or do I need to have it looked at ? 2. A warning of VDS failure take car to dealer came up on the display. Drives fine still. Drive about 10 mins. Switched the engine off left the car for a few mins and when I switched it back on the fault was not showing and didn't come back... "yet" ... Is this a sensor or something
I should worry about ? Thanks and hope you can help.. ?
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Originally Posted by M1000 View Post
Hi, had the work done and running very smooth now. No signs of the same
Problem. I do however have two other niggles that appear to have come up since and was wondering if these are just gremlins or something I again need to have done. 1. Not every time I switch the car on but occasionally the glow plug symbol flashes for 30 seconds before going out. Is this normal or do I need to have it looked at ? 2. A warning of VDS failure take car to dealer came up on the display. Drives fine still. Drive about 10 mins. Switched the engine off left the car for a few mins and when I switched it back on the fault was not showing and didn't come back... "yet" ... Is this a sensor or something
I should worry about ? Thanks and hope you can help.. ?
1. Most likely not something to worry about. More often than not the glow plugs are fine and its the controller detecting a false error. I wouldn't worry about it.

2. Its likely you've got a duff steering angle sensor or it is out of calibration. These cost a fortune new so if you ever need one, email me as I have a few good used ones in stock. They are quite tricky to replace and re-calibrate, it needs to be done with the front wheels perfectly straight. Its tough to get right by eye, doing it on a wheel alignment machine is the best bet.

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Steering angle sensor !

Thanks for the advise. I have read somewhere that it can also be the battery that needs replacing is that correct ? I will have a look at this steering angle and see if I need to email you for a second hand one. Even though it went away and has not shown as a fault again yet is it likely to come back again ? Or can this just be something won't really effect the running of the car ? Thanks for the advise..
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Do you know how old the battery is? It is a possibility, I wouldn't just recommend changing the steering angle sensor without plugging in and reading the fault code logged in the ABS ECU.
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Steering angle sensor/battery

Yes your right. I'm going to take it to the garage again in the next few days and see what comes up on the fault codes. Will give it a run between then and see if it happens again as well. It sounds like it should be either the sensor or the battery. I checked under the hood and made sure the battery connections where tight which they were but I don't know how old the battery is. Once I have had it plugged in I will post the result so it's clear what the problem was. Thanks
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Did the VDC error come on when you started the car, it did it only pop up when you took your first corner?
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