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aduck Offline
#1 Posted : Monday, 6 March 2023 10:05:12 AM(UTC)
aduck

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Australia
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Hey everyone,

A couple of days ago my cruze just started misfiring when i started it up. Drove it to the mechanic right next to where it was parked and the mechanic said it was misfiring on cylinder 1 and it could be a coil pack issue. The Mechanic wanted 600$ to fix it so I just walked down the road to the wreckers and bought a new coil pack for a 110$. But with the new coil pack, the engine wouldn't turn over and just kept cranking. Put the old coil pack in and it ran fine.

The issue now is that the car runs fine for 30ish mins and starts misfiring again, but if I leave it alone for a couple of hours its fine to drive again for a bit.

Dont really know a lot about cars and this was the first time i tried working on it as a mate told me that the coil pack was a super simple repair. Really lost with this as I need the car for work :/
Smitty2 Offline
#2 Posted : Monday, 6 March 2023 12:02:07 PM(UTC)
Smitty2

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Originally Posted by: aduck Go to Quoted Post
Hey everyone,

A couple of days ago my cruze just started misfiring when i started it up. Drove it to the mechanic right next to where it was parked and the mechanic said it was misfiring on cylinder 1 and it could be a coil pack issue. The Mechanic wanted 600$ to fix it so I just walked down the road to the wreckers and bought a new coil pack for a 110$. But with the new coil pack, the engine wouldn't turn over and just kept cranking. Put the old coil pack in and it ran fine.

The issue now is that the car runs fine for 30ish mins and starts misfiring again, but if I leave it alone for a couple of hours its fine to drive again for a bit.

Dont really know a lot about cars and this was the first time i tried working on it as a mate told me that the coil pack was a super simple repair. Really lost with this as I need the car for work :/



start.. with simple stuff

pull the plugs and replace them .... cheap and quick, when were they replaced?
( a lot of misfires these days are simply plugs with a squillion kms on them)

then next? yes the coil pack but you need the right one ...
a new good (Holden OEM quality or Bosch or PAT) single one is at least $100
and the later complete (4) coil rail is at least $350

your mechanics $600 is a tad over the top... but the wreckers cheapie
is no better

Club circuit racing...the best fun you can have with your pants on
Dr Terry Offline
#3 Posted : Monday, 6 March 2023 3:44:25 PM(UTC)
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You bought a "new"coil pack from the wreckers for $110". Was it a cheap & nasty new one or a 2nd hand one ?

Fix it yourself. Be careful there are 4 different coils in 2013, depends on which engine you have (the wrecker probably sold you the wrong one).

Spark plugs are cheap & a new (quality) coil should be around $180 - $290 depending on which engine.

$600 is not that 'over the top' depending on what brand of coil & plugs he is fitting & what other work is being done.

Remember labour rates are well over $100 per hour these days & tools & equipment (scanners etc.) are not cheap.

Dr Terry
If at first you don't succeed, just call it Version 1.0
 1 user thanked Dr Terry for this useful post.
Smitty2 on 7/03/2023(UTC)
Perth Auto Mechanic Offline
#4 Posted : Wednesday, 7 August 2024 8:14:55 PM(UTC)
Perth Auto Mechanic

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Location: 9/1731 Albany Hwy, Kenwick WA 6107, Australia

Hey there,

It sounds like you're dealing with a frustrating issue. Misfires can indeed be tricky, especially when they seem to come and go like that. It’s great that you tried replacing the coil pack yourself—sometimes these things can be simple fixes, but other times they need a bit more investigation.

Given that the new coil pack didn’t work at all, there could be a compatibility issue or it might have been faulty. It's also possible that the misfiring could be related to something else, like the spark plugs, fuel injectors, or even a sensor issue.

Since you're in Perth, I'd recommend checking out Perth Auto Mechanic. They have a good reputation for diagnosing tricky problems and could give you a more thorough check. It's important to get to the bottom of it, especially since you rely on your car for work. They might be able to pinpoint the issue more accurately and save you time and money in the long run.

Good luck, and hope you get your Cruze running smoothly soon!
Dr Terry Offline
#5 Posted : Thursday, 8 August 2024 8:08:18 AM(UTC)
Dr Terry

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I realise that the original post is now over a year old, but I've seen this drama several times in recent months.

With the 1.8 Cruze, there are 2 different ignition coils which look the same but are not interchangeable. Owners buy a replacement off the internet or from a wrecker & often get the wrong one.

So the result is we go from a misfiring engine to a non-goer & think they're done something wrong.

In the trade you often hear the saying "It'll work OK, they are all the same". Well guess what, they are not all the same !!.

These days, more than even it is important to know exactly what model, what engine, what transmission etc. that you are dealing with & don't just replace parts without checking that they are correct.

Dr Terry
If at first you don't succeed, just call it Version 1.0
Dr Terry Offline
#6 Posted : Thursday, 8 August 2024 8:08:32 AM(UTC)
Dr Terry

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I realise that the original post is now over a year old, but I've seen this drama several times in recent months.

With the 1.8 Cruze, there are 2 different ignition coils which look the same but are not interchangeable. Owners buy a replacement off the internet or from a wrecker & often get the wrong one.

So the result is we go from a misfiring engine to a non-goer & think they're done something wrong.

In the trade you often hear the saying "It'll work OK, they are all the same". Well guess what, they are not all the same !!.

These days, more than even it is important to know exactly what model, what engine, what transmission etc. that you are dealing with & don't just replace parts without checking that they are correct.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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