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[henryd]

No worries......o2 sensor?

I suspect so. My cheapo reader said 'Lean mixture bank one'. The car has 2 lambda sensors, so could be either. I cancelled the code and it has not reappeared yet, but I cannot go far until I get an MOT certificate.

Once again, that does not necessarily mean that the lambda sensor is the fault. Whats more likely is that the sensor is reporting a fault further up the system. Changing the sensor will not fix the fault.


Reading the codes is just the start of the diagnostic procedure.

 

[Doctor Gollum]

Late G as all H have 5 stud hubs

[dave the builder]

Here's the disc.

probably the original GM discs ,
about the same condition that the Zafira discs where, with 9 months MOT
I chose to replace them with new because i stripped and cleaned the brakes
the pads where pretty much seized to the calipers
massive improvement of brake and handbrake once refurbished 

is this 2004 a late G or early H ?
I do like the simplicity of astra to work on

G or H, I don't know. Engine code is Z16XEP. You tell me.

Z16XEP is the Twinport engine fitted to late G  and early H 

Late G as all H have 5 stud hubs

depends on spec and engine ,1.6 came with 4 or 5 stud 

H is this shape H 1.6 clicky
G is this shape G aport 1.6 clicky

[kcl]

Locating OBD sockets is easy nowadays

http://www.hickleys.com/external/socketlocation_service.php

[terry paget]

You are absolutely right mate. If u go back to the same place they’ll want to see the discs done. Just do them and be done. 

The car was tested in Warminster, miles away. New discs are ordered, so I will fit them.
On the other point, is an engine light on an automatic fail? I have read of cars passing MOT with engine lights on year after year.

[dave the builder]

On the other point, is an engine light on an automatic fail? I have read of cars passing MOT with engine lights on year after year.

section 8  Nuisance
Engine Malfunction Indicator Lamp
defect (h) Engine MIL inoperative or indicating a malfunction. FAIL category MAJOR

[deviator]

2004 will be Astra H and OBD2.

[dave the builder]

2004 will be Astra H and OBD2.

can be Astra G or H as per 2004 example links above 
or even 2005 registered astra G mk4
hence why I asked if it was a G or H 

[terry paget]

2004 will be Astra H and OBD2.

can be Astra G or H as per 2004 example links above 
or even 2005 registered astra G mk4
hence why I asked if it was a G or H 

It's an H.

[Andy B]

G or H, I don't know. Engine code is Z16XEP. You tell me.

If you don't know how are we going to know 

[deviator]

2004 will be Astra H and OBD2.

can be Astra G or H as per 2004 example links above 
or even 2005 registered astra G mk4
hence why I asked if it was a G or H 

Not when the OBD port is below the hand brake, it's got to be a H. The G was above the fuse box.

[STEMO]

An astra G looks very different to an astra H. A quick google would have told you straight away.

[deviator]

An astra G looks very different to an astra H. A quick google would have told you straight away.

Hang on, I might be gettin confused, ignore me 

[Webby the Bear]

On the other point, is an engine light on an automatic fail? I have read of cars passing MOT with engine lights on year after year.

section 8  Nuisance
Engine Malfunction Indicator Lamp
defect (h) Engine MIL inoperative or indicating a malfunction. FAIL category MAJOR

This 👍

[dave the builder]

2004 will be Astra H and OBD2.

can be Astra G or H as per 2004 example links above 
or even 2005 registered astra G mk4
hence why I asked if it was a G or H 

Not when the OBD port is below the hand brake, it's got to be a H. The G was above the fuse box.

astra F upto 98 obd port in fuses under wheel ish)
astra G 98 yo 2005 obd port under a cover in handbrake area
(worthy of note :x16SZR is not obd2 /no pedal test but you can flash paper clip test )
astra H 2004 port is near handbrake in console