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raining

J778 injection system relay

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Hello to all, this question is for a friend who has a 1.4 fox.

The car has a very intermittent problem for a few years or so (now seems to be more frequent), engine management lights up and car conks out, might restart but eventually gives up the ghost, try a few hours later and it's ok.

 

Not been able to see any pattern to problem.

 

Been to a indie garage paid a load of dosh and problem not sorted.

 

Then to a VW dealership, J778 injection system relay is getting hot, relay changed.

 

Within a week the problem is back, VW say the same problem so put in another relay just in case first replacement was a dud.

 

VW say if problem comes back wiring will have to be looked at.

 

Does the onboard computer keep a log of these faults so we have an idea how long it's been going on?

 

Only mod is Non VW reversing sensors.

 

Any ideas would be greatly appreciated in case it comes back.

 

Thanks.

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overheating of the relay can be down to a poor connection on the base that its plugged into, this can enable the pins to get hot, worth checking the base that the relay plugs into and look for a suspect connection

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sell the fox.

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On 28 May 2017 at 9:13 PM, Mobieus_uk said:

what was the last repair that got you a year trouble free

....N/A

Edited by raining

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