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[jimac]

I think people are maybe being a little harsh with the garage here.  It is entirely possible that the coil pack may have gone - coincidences do happen. And it may well have been removed when they did the cambelt change as they may have removed the plugs to make turning the engine easier.

We'll soon know if the new coil pack doesn't help.  In that case, the OP doesn't need to pay them for it and they need to reinvestigate.  I think, until then, we should keep from making assumptions.  After all, that seems to be what the garage is accused of doing... 

[JamesV6CDX]

they shouldnt remove plugs to turn engine. Cambelt needs to be fitted with engine under compression.

[albitz]

Im willing to be corrected,but I dont think a duff coilpack will cause the engine light to come on.

[Andy B]

Im willing to be corrected,but I dont think a duff coilpack will cause the engine light to come on.

It didn't with my single DIS pack on a 3.0 

[Kevin Wood]

A coil pack will cause a misfire, which will generate misfire codes on the DBW ECUs. It doesn't follow that a misfire code means that a coil pack has failed, though.

[albitz]

I would be asking to se their locking/setting kit for a start.

[05omegav6]

A coil pack will cause a misfire, which will generate misfire codes on the DBW ECUs. It doesn't follow that a misfire code means that a coil pack has failed, though.

Don't I know it

[Kevin Wood]

That reminds me. I've still got a datalog off your car to look at.

[Webby the Bear]

I think people are maybe being a little harsh with the garage here.  It is entirely possible that the coil pack may have gone - coincidences do happen. And it may well have been removed when they did the cambelt change as they may have removed the plugs to make turning the engine easier.

We'll soon know if the new coil pack doesn't help.  In that case, the OP doesn't need to pay them for it and they need to reinvestigate.  I think, until then, we should keep from making assumptions.  After all, that seems to be what the garage is accused of doing... 

So you'd accept taking a good car to a garage to then have it back with a check engine light on. 

[Kevin Wood]

So you'd accept taking a good car to a garage to then have it back with a check engine light on. 

Precisely..

What are the odds? Coincidence that something unrelated failed at exactly the time the garage worked on it versus garage having ballsed up?

Our comments just relate to previous experience on which of those two odds normally come up.

[Webby the Bear]

So you'd accept taking a good car to a garage to then have it back with a check engine light on. 

Precisely..

What are the odds? Coincidence that something unrelated failed at exactly the time the garage worked on it versus garage having ballsed up?

Our comments just relate to previous experience on which of those two odds normally come up.

Exactly! 

I haven't taken my car to a garage since joining this forum. I do the work myself with the guides or get supervised (incidentally meeting up with the jolly nice chap Martin42 for brake disc/pad supervision this sunday  )

Anyway the reason I do it myself/enlist the services on here is cos I was sick of garages. I went to Vauxhall who are supposed to be EXPERTS ON THEIR OWN MAKE OF CARS (or so the radio advert says  )  and got the car back worse than before. Took it to the Dazmeister in Stoke who showed me what Vauxhall had missed when I didn't know a car engine from Adam :

Oil in plug wells
Rocker ggasket covers needed replacing

Maybe you're thinking ''well it may just be a mistake'' but knowing what i know now they couldn't have missed it.... or if they did it was utter, utter incompetence. Either way it's NOT acceptable when they charged me £275 for not fixing a problem and then £65 for a second inspection to review the problem that they should have fixed in the workplace!!!!

Thankfully that particular branch of Vx has closed down and I hope those ''technicians'' have sought employment in a more appropriate field e.g. cleaning toilets!!! 

Rant over.

[JamesV6CDX]

any update from the garage mate?

[jimac]

I think people are maybe being a little harsh with the garage here.  It is entirely possible that the coil pack may have gone - coincidences do happen. And it may well have been removed when they did the cambelt change as they may have removed the plugs to make turning the engine easier.

We'll soon know if the new coil pack doesn't help.  In that case, the OP doesn't need to pay them for it and they need to reinvestigate.  I think, until then, we should keep from making assumptions.  After all, that seems to be what the garage is accused of doing... 

So you'd accept taking a good car to a garage to then have it back with a check engine light on. 

No, but I'd take it back for investigation (if I wasn't capable of investigating myself) and find out what the reason was before jumping to conclusions that the garage had done something wrong (although I doubt I would have even driven it away from the garage if the engine light was on and it was misfiring when I went to pick it up). It is coincidental that the warning light has come on since the work was done, but coincidences do happen (that's why we have a word for them  ) and it is only fair that the garage has the opportunity to find out if it really was caused by them.

Many garages refuse to work on old cars (and bikes) for the very reason that if something goes wrong after they have worked on them they get the blame, when the real cause is down to worn out components or poor maintenance.

Will you still blame the garage if it turns out that the coil pack has failed, or will you eat humble pie and admit that you were a bit quick to castigate them?

[jimac]

So you'd accept taking a good car to a garage to then have it back with a check engine light on. 

Precisely..

What are the odds? Coincidence that something unrelated failed at exactly the time the garage worked on it versus garage having ballsed up?

Our comments just relate to previous experience on which of those two odds normally come up.

Don't get me wrong, I'm not trying to make excuses for shoddy workmanship.  I'm just saying, that before we "name and shame" anybody we should be certain that they have done something that warrants it.  The garage is obviously trying to sort things out so we should wait and see what the outcome is.  As I said, they may have removed the coil pack to remove the plugs (which would be a common thing to do on many engines when replacing a cam belt) and in doing so may have caused an already worn component to fail.  I don't know, and nobody else does yet.

Mistakes do happen, and I would judge a garage (or any service provider) by how they handle the remedy.

[Kevin Wood]

Am I the only one who is rather surprised that the garage released the car with the warning light on in the first place?

Surely if you work on a car and the light is on afterwards, the likelihood is that it's something you've done, and it warrants investigation to avoid giving the customer's car back in a faulty (perhaps, in some instances, dangerous) condition.