NO POWER - ANY IDEAS?

Pootz · Post by **Pootz** » Mon Oct 26, 2015 7:05 pm

Cavalier342 wrote:Given the two manufacturers, I stick with Vauxhalls thanks.

Me too now.
Although some folk say "an engine is the same no matter what the car" I'm finding it difficult to work with the cavalier as it's a lot more advanced

Cavalier342 · Post by **Cavalier342** » Mon Oct 26, 2015 7:09 pm

That's sort of true in some ways. However before owning my first C18NZ auto hatchback I knew next to nothing about motors. Cavaliers taught me about working on engines. Never worked on a diesel though.

Pootz · Post by **Pootz** » Mon Oct 26, 2015 7:11 pm

Cavalier342 wrote:That's sort of true in some ways. However before owning my first C18NZ auto hatchback I knew next to nothing about motors. Cavaliers taught me about working on engines. Never worked on a diesel though.

I haven't to be honest.
My first diesel was the mk2 I owned for 6 months before I bought the cavalier.
Unfortunately I have arthritis in most of my joints and especially my hands so I can't use tools now so I rely on friends to do the hard work.

Cavalier342 · Post by **Cavalier342** » Mon Oct 26, 2015 7:20 pm

Nasty. It must be hard to not be able to do something that you know how to do.

Pootz · Post by **Pootz** » Mon Oct 26, 2015 7:22 pm

Cavalier342 wrote:Nasty. It must be hard to not be able to do something that you know how to do.

I wouldn't say I know how to do it but I enjoyed getting covered in muck and oil and learning about it as I went along

Cavalier342 · Post by **Cavalier342** » Mon Oct 26, 2015 7:43 pm

Best way to learn.

Pootz · Post by **Pootz** » Mon Oct 26, 2015 7:50 pm

Aye,
Fingers crossed (even though it hurts) I can get this sorted out and just enjoy driving it properly

Super89 · Post by **Super89** » Mon Oct 26, 2015 9:35 pm

Where are you from?

Pootz · Post by **Pootz** » Mon Oct 26, 2015 9:36 pm

Super89 wrote:Where are you from?

I'm on the border of sandwell, Walsall, Birmingham and Sutton Coldfield. Right by J7 M6

Super89 · Post by **Super89** » Mon Oct 26, 2015 9:40 pm

The diesel cavalier if running ok, Can be very easily tuned you can up the power to around 100bhp and still be 'safe' and reliable. Also run very well on veg oil which atm is around £13 for 20L

Pootz · Post by **Pootz** » Mon Oct 26, 2015 9:42 pm

Super89 wrote:The diesel cavalier if running ok, Can be very easily tuned you can up the power to around 100bhp and still be 'safe' and reliable. Also run very well on veg oil which atm is around £13 for 20L

It's running really well to be fair but lacks boost.
Apart from that the engine runs sweet.
If I can get it right I'll think about tuning it

Super89 · Post by **Super89** » Mon Oct 26, 2015 9:47 pm

You need to plug in a boost gauge and see what pressure its running at, STD i think they should run around 0.7 bar. Have you checked both air boxes, Only the one on top of the engine should have the air filter in. Also the inlet gasket will need doing i bet. Most do by now.

Pootz · Post by **Pootz** » Mon Oct 26, 2015 10:07 pm

Super89 wrote:You need to plug in a boost gauge and see what pressure its running at, STD i think they should run around 0.7 bar. Have you checked both air boxes, Only the one on top of the engine should have the air filter in. Also the inlet gasket will need doing i bet. Most do by now.

I'll double check the other box tomorrow.
Ta

Post by **Bob Dodds** » Tue Oct 27, 2015 7:36 am

As above check the air box in left corner of of the engine bay I found a very dirty old air filter in mine which was restricting the air flow. Also with these Isuzu engines the turbo doesn't kick in until 2500 rpm, until then its pretty flat.

Post by **humbucker** » Tue Oct 27, 2015 7:56 am

Pootz wrote:
Super89 wrote:Where are you from?
I'm on the border of sandwell, Walsall, Birmingham and Sutton Coldfield. Right by J7 M6

Pop your location in your profile - it will help club members local to you work out whether they can pop over to help

Pootz · Post by **Pootz** » Tue Oct 27, 2015 8:31 am

Thanks folks

Pootz · Post by **Pootz** » Tue Oct 27, 2015 8:33 am

humbucker wrote:
Pootz wrote:
Super89 wrote:Where are you from?
I'm on the border of sandwell, Walsall, Birmingham and Sutton Coldfield. Right by J7 M6
Pop your location in your profile - it will help club members local to you work out whether they can pop over to help

Done

Pootz · Post by **Pootz** » Tue Oct 27, 2015 8:34 am

Bob Dodds wrote:As above check the air box in left corner of of the engine bay I found a very dirty old air filter in mine which was restricting the air flow. Also with these Isuzu engines the turbo doesn't kick in until 2500 rpm, until then its pretty flat.

I don't think my turbo is kicking in at all. If it is its not working properly

Pootz · Post by **Pootz** » Wed Oct 28, 2015 4:03 pm

Quick update :
I took it for a blast up the M6 last night and although it's not perfect it seems to be running a bit better.
I have noticed that it seems to be lacking in power when cold and is better when it gets up to normal running temperature (about 90 degrees)
I still think that the turbo is really weak and /or not working at all though as when I have my foot flat to the floor it still struggles to accelerate

Cavalier342 · Post by **Cavalier342** » Wed Oct 28, 2015 4:39 pm

You don't rag it from cold, do you? Won't be much good for it. Could be a temperature sensor that's a bit dodgy or something?

Pootz · Post by **Pootz** » Wed Oct 28, 2015 4:43 pm

Cavalier342 wrote:You don't rag it from cold, do you? Won't be much good for it. Could be a temperature sensor that's a bit dodgy or something?

I don't rag it at all to be honest.
I just expect it to get from 0 to 30 in less than 60 seconds even when cold

Cavalier342 · Post by **Cavalier342** » Wed Oct 28, 2015 4:55 pm

That sounds like a blown turbo to me. If I'm right in thinking, if the turbo is nackered, then you won't only lose boost from it, but the ECU will also try to re-compensate for the lack of air being drawn in, therefore losing even more power. Hence why it is so sluggish as you describe. I'm far from a diesel expert but you learn things over the years.

Pootz · Post by **Pootz** » Wed Oct 28, 2015 4:58 pm

Cavalier342 wrote:That sounds like a blown turbo to me.

I was thinking the same to be honest.
I've got my mechanic coming out on Friday to do some work on it so I'll get him to check it out.
How easy is it to source a replacement turbo ?

Cavalier342 · Post by **Cavalier342** » Wed Oct 28, 2015 5:30 pm

I've no idea, I've had a quick Google search, saw one unit for £110 on ebay:

http://www.ebay.co.uk/itm/Balanced-Turb ... 3641.l6368

It's for the right engine (Z 17 DTH?) but fitting it is another story.

Pootz · Post by **Pootz** » Wed Oct 28, 2015 5:32 pm

Cavalier342 wrote:I've no idea, I've had a quick Google search, saw one unit for £110 on ebay:

http://www.ebay.co.uk/itm/Balanced-Turb ... 3641.l6368

It's for the right engine but fitting it is another story.

Cheers.
Fortunately I have a bloke to fit things so although it will cost me I at least get to keep the skin on my knuckles

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