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Ongoing Problem


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#1 martin246

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Posted 03 July 2020 - 04:40 PM

Hi guys
Been trying to get to the end of an ongoing problem with the vx220 n/a starts ticks over runs fine until temperature reaches above 90 then just cuts out restarts within seconds thought it was temperature sensor changed didnt change anything advice was possible crank sensor or egr both changed but still same problem.
I have checked pressure on fuel rail nlpple with dash lights on and off nothing comes out of nipple does this mean fuel pump? Even though it ticks over until temperature reaches 90 and above

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#2 martin246

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Posted 03 July 2020 - 07:45 PM

Checking wires for ongoing fault came across this burnt wire think its the crank sensor plug could this be the problem Posted ImagePosted Image

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#3 martinf

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Posted 04 July 2020 - 07:40 AM

Does the engine management ligt illuminate? Any fault codes?

The burnt wire seems a good bet - how on earth (no pun) did it get burnt?



#4 techieboy

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Posted 04 July 2020 - 07:49 AM

That plug looks more like one of the O2 sensors, they're 4-pin/wire. I think the crank sensor is 3-pin. Given it's a 2.2, it's possible you may have an unused O2 sensor plug on the loom too, just to add to the confusion.



#5 myles

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Posted 04 July 2020 - 08:13 AM

Does the engine management ligt illuminate? Any fault codes?
The burnt wire seems a good bet - how on earth (no pun) did it get burnt?


I've been down this route with my old Monaro. Earth issue meaning wires like this were a better bet for return to earth. On that car it was investigate earth issue, find problem(needed to clean up both main earths), renew burnt wires and/or plug, jobs a good un.

#6 martin246

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Posted 04 July 2020 - 11:21 AM

Burnt wire was wrapped around the egr sensor so close to cylinder head passenger side going to have a look now if it can be fixed or replaced

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#7 martin246

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Posted 04 July 2020 - 12:00 PM

Traced wire seems to go to the newly installed temperature sensor which may resolve my ongoing problem can you get hold of the loom bit for this i.e from temperature sensor to the loom plug 4pin or do you have to cut in another plug

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#8 martin246

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Posted 07 July 2020 - 05:59 PM

Still having the same problem replace temperature sensor and crank sensor and egr blanking plate fixed the burnt wire been through cleaned all plugs and fuses and relays done absolutely nothing ordered a cheat for egr and coil pack if you can think of anything else let me know

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#9 smiley

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Posted 07 July 2020 - 06:49 PM

Does your fuel retun line feel hot, just after it cuts out?

 



#10 martin246

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Posted 07 July 2020 - 07:05 PM

No I don't understand this problem it was fine and has been for the 3 years I have owned it.
About a month ago I took it for a run once about 20/ 25miles it cut out restarted after about 30 seconds went on to cut out 3 times before I got it home

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#11 smiley

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Posted 07 July 2020 - 07:30 PM

Does the grey relay (fuel pump) in the back still look okay?
You can swap it with the one from the horn to be sure,

 

If that does not help, then the same advice as i gave on facebook: you will have to inspect your fuelpump
 



#12 martin246

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Posted 07 July 2020 - 08:31 PM

I haven't swapped the grey relay will try that I'm really reluctant to do the fuel pump because it ticks over fine for about 10 to 15 minutes its just when it reaches temperature it cuts out but restarts fine again so seems to be getting petrol no problem I'm going to do coil pack next and then maybe do fuel pump or just send it to someone who knows about the vx

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