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Posted
having a bit trouble with a vauxhall vivaro if anybody fancys having a say on it. And before anyone says owt yes i know this is a citroen site. Have been on the vauxhall site and it was just a waste of time (they were about as friendly as techbod in a dealership ha ha)
Posted

Hi

when driving along the heater plug light (heater light doubles up as engine light) comes on and van looses power switch ignotion off and straight back on and it runs fine till you come to a hill or put anykind of load on the engine then switch it off and straight back on and its fine again and so the cycle goes on. Plugged van in and it came up with

heater plug fault

turbo boost pressure

clutch switch

 

so on advice boost solonoid changed, clutch switched changed and advised that heater plug is a very common fault and didnt warrant changing. Anyway took van back on road and same fault again so back we went and advised to change mass airflow meter but again same problem when back on the road. So back we went air filter removed and wires to the injectors appear to have been rubbing against the air box and lost all the insulation so they were taped up and back on the road and again the same problem. So back we went and this time the egr valve was removed and cleaned and back on the road we went only for the problem to still be there. So back we went amd this time the fuse box cover was removed and the multi plugs seperated and cleaned and back on the road we went only to find that the problem was still there. Next the software on the ecu was checked and found to be out of date so a software update was done and the van is a lot smother but the fault is still there so to recap

 

1x clutch switch

1x mass airflow

1x boost solonoid

injector wires insulated

egr valve cleaned

fuse box multiplugs cleaned and wd squirted in them

All wires and pipes checked and ok.

1 x software up date

Now been advised to change either camshaft or crankshaft sensor.Also only fault codes now coming up are for the heater plug and boost pressure (overboosting)

 

 

Any ideas please as its getting beyond a joke now

Posted
the relay can be a pain but if it overheats then its possible its burned the wiring and weakened it which causes the light to come on ( similar to cutting power to the injectors ) safety would be a good reason to prevent a fire so an investigation of the relay and wiring from it would be a good start.

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