Faulty car - Vauxhall Antara Forums
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post #1 of 11 (permalink) Old 26th October 2019, 20:47 Thread Starter
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Faulty car

Hi guys!
New to the forum and thanks in advance for any helpful advice.
As the title says my car wonít start. It all started a week ago. I hear some noise that where unusual. The engine coughed and I ran the OBDII reader. It gave me a couple of faults. I got that the lambda sensor was faulty and the engine got to much air in correlation to fuel which could also imclude the MAF.
I cleared the codes and gently cleaned the MAF and put in a new filter.
While waiting for the car to give me the codes again new (!) codes arrived.


This time around the engine (at first) sounded good but when the next codes came it started to sound really bad. I checked the codes and it gave med several new ones. ďMisfired cylinderĒ 2/4 also Crankshaft Position Camshaft Position Correlation Bank 2 Sensor 'A'.

After this the engine just gave up and wonít start again. Itís like it doesnít have the power to start.
I got juice from the battery but have no idea on where to start.

The car is a Vauxhall Antara 3.2 V6 -09 it has run about 60000 kilometres (Swedish)
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post #2 of 11 (permalink) Old 27th October 2019, 07:21
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What happens if you disconnect the battery for a while then re-connect.
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post #3 of 11 (permalink) Old 29th October 2019, 20:21 Thread Starter
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Nothing happens if I disconnect the battery.
Iím wondering if perhaps the coils that made the cylinders misfire is at fault. How can I check these without the car running?
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post #4 of 11 (permalink) Old 30th October 2019, 08:03
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Must confess I have no idea. Seems like you may have a timing problem, crankshaft/camshaft position sensor. I would check these first before you go further afield.
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post #5 of 11 (permalink) Old 31st October 2019, 22:15 Thread Starter
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Iíve checked tonight and the camshaft/crankshaft is ok, the sensors is ok as well.
After a lot of checking I now know the problem but not whatís causing it. The engine doesnít get fuel!
The fuel pump is working, the ignition coils are ok. But somehow itís not letting the engine get any fuel.
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post #6 of 11 (permalink) Old 2nd November 2019, 09:00
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No idea, I'm not familiar with the V6 petrol engine. Someting is stopping fuel being injected, just check everything you possibly can. Have you disconnected something, did you change something when these problems started.
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post #7 of 11 (permalink) Old 2nd November 2019, 21:35 Thread Starter
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Im usually adept in fixing my car but I bought this 1 yr ago and even though itís old itís in very good shape and have been used very little.

This problem came fast and it basically just gave up on me. Iím starting to believe itís the ECU but then it shouldnít crank the way it does (I think?)
I have gone over all electrical components twice and found no breaks or disconnected.
I have a fully charged battery, fuel in the tank and so on. The next step is to start taking the engine apart and look for faults....😫😫😭
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post #8 of 11 (permalink) Old 3rd November 2019, 09:38
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Hi I don't think the ECU inhibits cranking. I wouldn't take the engine apart, seems a bit extreme unless something tells you you have a problem with it. You could do a compression test on all 6 cylinders that would tell you if you have an engine problem. Check you have a spark on one of the spark plugs by connecting to the HT lead and placing against the engine, then crank, just dont hold the lead or plug whilst cranking. Have you checked to see if there are any codes in the computer via the OBD port ?
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post #9 of 11 (permalink) Old 4th November 2019, 09:05
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Can you take the top of the fuel filter off and fill with fuel, then see if engine starts / fires, this will give you a starting point to work back.
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post #10 of 11 (permalink) Old 4th November 2019, 20:25 Thread Starter
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From the start I had several faulty codes. Itís been a nightmare since there where over 10 codes.
I ruled most of them out since the wouldnít intervene with the engine that way.
Iím currently trying to measure the fuel injectors and see if they are at fault.
Does anyone know how I can get a hold of the electrics schematic over the wiring for a Z32SE petrol engine from 07-09?

I can spot 4 of them but the last 2 I canít really be sure off.
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