Need help asap with corsa c20xe "HELP PLEASE"!! - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

10th Jun 11 at 15:40

I finished the converion on sunday, it started first time sweet as a nut, i let it run up to temperature ect a few times then i left it for a few days. Then i fitted my gear linkage on tuesday tried to start it and it wont fire

it just turns over and over!

It's sparking fine, there's fuel at the rail and i've checked the pump, its got a new ignition amp module, i also tried a different coil but still nothing.

Its got the "TWAG" loom conversion with the eml switch, so i turned the switch on and it read 2 codes 21 and 31 iirc, so i used the website "Topbuzz" to find out what the codes where and they were "TPS" and "CRANK" sensor. I dont think a TPS would stop it from starting? so i bought a new crank sensor as the old one looked a bit naff anyway.

Fitted it today and still nothing

is there anything else i can try???

Thanks for any help!

[Edited on 10-06-2011 by Rob-e91]

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

10th Jun 11 at 15:44

Another thing, the lambda sensor is'nt bolted into the exhaust yet as i need to make a hole in it, but its plugged into the loom and it started like it initialy anyway

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

11th Jun 11 at 11:40

anyone!!??

EuroCorsaa

Member

Registered: 10th Jul 09
Location: South Wales*
User status: Offline

11th Jun 11 at 14:45

Plugs getting wet??

Generation

Member

Registered: 7th Jul 09
Location: Essex
User status: Offline

11th Jun 11 at 19:11

Ctsbcontrols fuel and air mix... To much wrong and in wrong weather car won't start

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

12th Jun 11 at 15:24

quote:
Originally posted by Generation
Ctsbcontrols fuel and air mix... To much wrong and in wrong weather car won't start

What do you mean ctsb controls?

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

16th Jun 11 at 14:25

i've checked all earths and powers, i've got spark and fuel, and it still wont start, it does back fire (loudly!)

Can anyone help please!!?

Linch

Member

Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline

16th Jun 11 at 18:51

checked knock sensor? compression test?

ianofbhills

Member

Registered: 10th Feb 01
Location: newcastle
User status: Offline

16th Jun 11 at 19:42

quote:
Originally posted by Rob-e91

quote:
Originally posted by Generation
Ctsbcontrols fuel and air mix... To much wrong and in wrong weather car won't start

What do you mean ctsb controls?

He means CTS as in coolant temp sensor mounted on the thermostat housing.

cheap enough to replace and if bust can give similar symptoms to what you describe. Also check for continuity in the loom at the cts connector as they are prone to breaking there.

Mine wouldn't start when the cts failed.

If you have fuel and spark and that still doesn't work the next step would be timing and compression checks.

ripley

Member

Registered: 15th Apr 08
Location: wales
User status: Offline

16th Jun 11 at 21:53

press that valve on the fuel rail near the battery to get the air out then turn it over..

Generation

Member

Registered: 7th Jul 09
Location: Essex
User status: Offline

16th Jun 11 at 21:57

Sorry was a typo, and only just re-read. I meant CTS as said above

ada_corsa

Member

Registered: 15th Feb 07
Location: birmingham
User status: Offline

16th Jun 11 at 22:34

Sorry to gatecrash the post, are the 14xe and the 20xe CTS the same.

cheers Ada

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

17th Jun 11 at 12:50

I've got a new cts and the one that goes next to it, i've pressed the valve on the fuel rail to get the air out, knock sensor seems fine, i havent done a compression test yet but its been fully rebuilt and was running perfectly.

I've also checked the timing and is dead on!

im running out of ideas now

Generation

Member

Registered: 7th Jul 09
Location: Essex
User status: Offline

17th Jun 11 at 23:44

Did you manage to get fuel out? IIRC the xe fuel pump only primes when cranking so crank and press nozzle instant or get a friend to do at same time

john_c20xe

Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline

18th Jun 11 at 07:09

check the small earths on the fuel rail they normally cause this from porly fitted connections.
but you say you got spark and fuel? is your air flow meter plugged in properly and no leaks in the pipe between flow meter and throttle body?

Linch

Member

Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline

18th Jun 11 at 16:49

is knock sensor loom the right way round?

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

18th Jun 11 at 16:51

I've earthed them to the trottle body I think, the afm is plugged in properly and there's no leaks on the pipes, yes I think the loom is the right way round as it was running fine for a day, which one goes to knock sensor? Is it black? Then the red goes to icv??

Thanks

fazza

Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline

18th Jun 11 at 18:19

i know u replaced the crank sensor but have u checked the wiring all the way to it?

old xe looms have often been bodged back together

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

18th Jun 11 at 18:42

Yes I've checked the loom mate, and it looks fine

ianofbhills

Member

Registered: 10th Feb 01
Location: newcastle
User status: Offline

18th Jun 11 at 22:35

quote:
Originally posted by Rob-e91
I've earthed them to the trottle body I think, the afm is plugged in properly and there's no leaks on the pipes, yes I think the loom is the right way round as it was running fine for a day, which one goes to knock sensor? Is it black? Then the red goes to icv??

Thanks

other way. red is knock sensor black is icv.

if your paperclip test is still showing a fault of tps why dont you change that?

Linch

Member

Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline

19th Jun 11 at 10:06

Yeah red is knock sensor, seen this happen so many times... causing them to either run shit or not run at all

Tps wouldnt cause it not to start, it would cause it to bog down when opening the throttle i think

[Edited on 19-06-2011 by Linch]

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

19th Jun 11 at 17:39

Thanks for the help, i'll try a different tps, and see if i have the icv loom the right way round

Will94

Member

Registered: 1st Nov 02
Location: Nr. Ipswich, Suffolk
User status: Offline

19th Jun 11 at 20:47

When you said it came up with the fault code for the crank sensor, they all do that if the engine isnt running when you do the test.

If its deffo getting fuel and spark then id just suggest going through the sensors one by one. Compression test could be worth it but if it ran fine recently then i think its unlikely to have suddenly lost it.

Is it trying to fire or is it just cranking and theres no sign of life?

Rob-e91

Member

Registered: 11th May 09
Location: South Wales
User status: Offline

20th Jun 11 at 14:42

Its just turning over and over mate, if I tap the throttle it will back fire very loudly some times, I think I'll just go through all the sensors and see what happens.

Thanks

john_c20xe

Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline

20th Jun 11 at 16:28

foooked fuel pump?

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