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[ianph]

Hi,

This is my first post on this site and i have barely owned my auto 2.0gls omega for a week and i think i have caused a self inflicted problem....

I was trying to sort out my car radio and all of a sudden the speedo started going mad jerking up and down and there were a few noises coming from under the bonnet.(car wasnt running).I tried to start it but no luck.

I ripped the radio out and it seemed fine.It wasnt until i drove home that i noticed the car is maxing out at 4500rpm while driving and while revving in neutral.

Does anyone know what i could have done? I know its likely to be something electrical but thats as far as it goes.Want to exhaust all my options before calling a diagnostics expert out!

Thanks so much in advance for any advice given.

[feeutfo]

dis connect the battery for 20 mins, see if it re sets anything...? if you do this you will need to reset windows(hold button in up position when closed) and sun roof(press the hold the dial in each position, open first then closed then tilt)

Always dis con the battery when working on the car anyway, its good practice, and a pain in the arse, but saves situations like this.

Oh, and yours  will need the radio code as well.

[ianph]

Ok thanks ill try that shortly,hopefully will sort it out.

[Andy B]

Maybe you've trapped a wire to earth somewhere?  :-/

[RobG]

Hi,

This is my first post on this site and i have barely owned my auto 2.0gls omega for a week and i think i have caused a self inflicted problem....

I was trying to sort out my car radio and all of a sudden the speedo started going mad jerking up and down and there were a few noises coming from under the bonnet.(car wasnt running).I tried to start it but no luck.

I ripped the radio out and it seemed fine.It wasnt until i drove home that i noticed the car is maxing out at 4500rpm while driving and while revving in neutral.

Does anyone know what i could have done? I know its likely to be something electrical but thats as far as it goes.Want to exhaust all my options before calling a diagnostics expert out!

Thanks so much in advance for any advice given.

Symptons of cam sensor. Paperclip it see if any codes. Look here http://www.omegaowners.com/forum/YaBB.pl?num=1189022687

[ianph]

Tried disconnecting the battery for 20 mins.....no luck still sticking on 4500rpm.

[RobG]

As per post. Symptons of cam sensor

[ianph]

Cheers Rob.....

Just tried to do paperclip test...nothing on the dash lights up at all.Watched the video and sure im doing it right.??

[ianph]

Would the cam sensor become faulty directly beacuase of my attempting to fit radio and speedo goi ng crazy etc?

[RobG]

Would the cam sensor become faulty directly beacuase of my attempting to fit radio and speedo goi ng crazy etc?

Nope. Can you describe the "noises" you heard from under the bonnet :question. Has the EML came on at all on the dash :question

[ianph]

As the speedo was going crazy,shortly pushing the radio back in the slot,it was like a whirring sound under the bonnet.I then tried to start the motor....wouldnt start.Disconnected the radio and the car started fine and i thought all was ok...until i drove it home from work and found the revving problem.

All was defo ok before this as i had given it a bit of a thrash to make sure all was ok.

Which dash light is supposed to flash while doing the paperclip? Nothing on mine at all.

[RobG]

As the speedo was going crazy,shortly pushing the radio back in the slot,it was like a whirring sound under the bonnet.I then tried to start the motor....wouldnt start.Disconnected the radio and the car started fine and i thought all was ok...until i drove it home from work and found the revving problem.

All was defo ok before this as i had given it a bit of a thrash to make sure all was ok.

Which dash light is supposed to flash while doing the paperclip? Nothing on mine at all.

Orange one with engine symbol. Ignition on, engine NOT running

[ianph]

Ok,tried the paper clip again and nothing at all.In fact the only orange light coming up when ignition is turned on is the abs light.(even without paperclip.

Have noticed when paperclip is in the rpm needle starts moving of its own accord.

Cant believe mucking around with a radio could have caused this???

Trying my best to diagnose/fix this myself as im skint after buying the motor!

[jonathanh]

ok so start this methodically.

when you turn the ingintion on you should get three lights: ABS, airbag and engine warning light.  If they all do not come on then the bulbs are broken or deliberately removed.

Step 1 - get new bulbs in: not too bad really, just need to instrument panel out - should be a how to on here

step 2 - flash out the codes and post here/ find out what they are

Step 3 - await the oracles on there to point you in the right direction.

all of the above should cost you a pound or two for bulbs

[RobG]

ok so start this methodically.

when you turn the ingintion on you should get three lights: ABS, airbag and engine warning light.  If they all do not come on then the bulbs are broken or deliberately removed.

Step 1 - get new bulbs in: not too bad really, just need to instrument panel out - should be a how to on here

step 2 - flash out the codes and post here/ find out what they are

Step 3 - await the oracles on there to point you in the right direction.

all of the above should cost you a pound or two for bulbs

Here`s the link http://www.omegaowners.com/forum/YaBB.pl?num=1192573381