Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: baja63 on 25 January 2008, 13:01:07

Title: rev limiter ??
Post by: baja63 on 25 January 2008, 13:01:07
the rev limiter on 2.0ltr 1997 is cutting in at 4500 revs , any ideas why ???
Title: Re: rev limiter ??
Post by: Kevin Wood on 25 January 2008, 13:06:11
Likely to be because a fault has put it into limp home mode. Is the engine management light on? If so, read the fault codes to see what's wrong. If not, bulb may need replacing (does it come on with ignition and extinguish after engine start?).

kevin
Title: Re: rev limiter ??
Post by: VXL V6 on 25 January 2008, 13:10:45
Highly likely to be code 0340, Cam Sensor
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 13:12:57
Quote
Likely to be because a fault has put it into limp home mode. Is the engine management light on? If so, read the fault codes to see what's wrong. If not, bulb may need replacing (does it come on with ignition and extinguish after engine start?).

kevin
just going for a look
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 13:17:39
if the engine managment light is the one that looks like an engine with lightning in it , then no does not come on or stay on ?????
Title: Re: rev limiter ??
Post by: Elite Pete on 25 January 2008, 13:38:37
Does it come on when you turn the ignition on and then go out after a few seconds?
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 13:40:28
Quote
Does it come on when you turn the ignition on and then go out after a few seconds?
no ??
Title: Re: rev limiter ??
Post by: Jimbob on 25 January 2008, 13:43:15
Have you had the car long?  If not it maybe an unscrupulous seller has removed the bulb.
otherwise it may have innocently blown.

You will either need to replace if so you can do the paperclip test to get the fault codes, or use a code reader (and ideally replace the bulb anyway)

Its not hard to remove the dash to do the bulb, there is a guide, basically involves removing centre airvent, few screws then dash comes out so you can replace the bulb.
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 14:04:10
Quote
Have you had the car long?  If not it maybe an unscrupulous seller has removed the bulb.
otherwise it may have innocently blown.

You will either need to replace if so you can do the paperclip test to get the fault codes, or use a code reader (and ideally replace the bulb anyway)

Its not hard to remove the dash to do the bulb, there is a guide, basically involves removing centre airvent, few screws then dash comes out so you can replace the bulb.

your right , not had it long but i now the last 2 owners but prior to that it was bought at auction , alot of fun ahead then :(
Title: Re: rev limiter ??
Post by: Kevin Wood on 25 January 2008, 14:09:54
It's probably something pretty simple like cam / crank sensor as has been said. Main thing is to get the codes out of it and post them up, which means a code reader or a new bulb. Then we'll be able to give you some pointers.

Kevin
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 15:20:28
right is the engine managment light the one that looks like a cog with an ! in the middle of it ??????
Title: Re: rev limiter ??
Post by: Elite Pete on 25 January 2008, 15:25:17
No, its shaped like and engine and has what looks like lightning in the middle of it.
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 15:28:06
Quote
No, its shaped like and engine and has what looks like lightning in the middle of it.

in that case it does not come on at all  :(
Title: Re: rev limiter ??
Post by: baja63 on 25 January 2008, 15:31:48
one more thing , when in park it will rev fine ??
Title: Re: rev limiter ??
Post by: mkaminski100 on 25 January 2008, 15:49:47
No, when the cam sensor is broken it will not go over 4000 revs in any conditions. This and the engine fault light is the only thinkg you may spot. Later it will not let you start your engine.

Either, you have to replace the bulb or connect other 12V bulb same way as paperclip and read codes. I dont know if it will be 0340 in 97 or is it going to be two digit code, but I also think that it's a camshaft sensor.
New sensor cost ca £20-25 but you have to take the aircon compressor our or try to replace it without moving it (harder but you dont have to take aircon)
Can you please update your profile or let us know where you are located?
Title: Re: rev limiter ??
Post by: baja63 on 26 January 2008, 10:45:13
update .... the problem occurs only when the engine has been run for more than 60 secs , cant check the code myself as the screen is scrambled  >:( so am i looking at either the cam or crank sensor ???
Title: Re: rev limiter ??
Post by: TheBoy on 26 January 2008, 10:49:23
Quote
update .... the problem occurs only when the engine has been run for more than 60 secs , cant check the code myself as the screen is scrambled  >:( so am i looking at either the cam or crank sensor ???
Its nothing to do with the MID, its the EML on the rev counter.  See paperclip test in Maintenence Guides Section.
Title: Re: rev limiter ??
Post by: baja63 on 26 January 2008, 11:10:09
Quote
Quote
update .... the problem occurs only when the engine has been run for more than 60 secs , cant check the code myself as the screen is scrambled  >:( so am i looking at either the cam or crank sensor ???
Its nothing to do with the MID, its the EML on the rev counter.  See paperclip test in Maintenence Guides Section.

i'm guessing this is not good .. not flashing at all ?
Title: Re: rev limiter ??
Post by: TheBoy on 26 January 2008, 11:18:22
Quote
Quote
Quote
update .... the problem occurs only when the engine has been run for more than 60 secs , cant check the code myself as the screen is scrambled  >:( so am i looking at either the cam or crank sensor ???
Its nothing to do with the MID, its the EML on the rev counter.  See paperclip test in Maintenence Guides Section.

i'm guessing this is not good .. not flashing at all ?
You've already proven that the bulb is missing or is blown though? Obviously change the bulb!!!!!!!!!!!!!!!!
Title: Re: rev limiter ??
Post by: baja63 on 26 January 2008, 11:26:13
that'll be why i'm blonde  ;D

because i'm a lazy git and dont now how to get the dash off ,i'll take it in to vauxhall and let them do it  :(





ignore that just found it on the maintance section
Title: Re: rev limiter ??
Post by: TheBoy on 26 January 2008, 11:47:04
Dash off is a 10 min job, just dont be too heavy handed.

Don't switch on ign with dash off, else you'll need airbag reset
Title: Re: rev limiter ??
Post by: caolan_p on 26 January 2008, 13:24:18
Quote
the rev limiter on 2.0ltr 1997 is cutting in at 4500 revs , any ideas why ???
mine was not going over 4500 rpm, got a new cam sensor £75 from lfm vauxhall now the car is going great thanks to the good help from  the forum :y
Title: Re: rev limiter ??
Post by: Craig_R on 26 January 2008, 16:18:28
Get the dash off like TB says its a 10 mins job, i had to do this as my EML bulb had been remove to hide that the EML was on I had to replace the Lambda and air intake sensor that was it. if you take off the dash you may find as in my case they have moved the bulb to another hole thats not used no your car on mine it had been moved to the Seat belt hole so i just moved it back, you will get a code when paper clipping saying the EML bulb has been removed lol

But honest do it yourself you will be throwing good money down the drain going to VX
Title: Re: rev limiter ??
Post by: mkaminski100 on 26 January 2008, 16:41:19
Yes, replace the bulb. It's very easy to take
When crankshaft sensor is knackered engine will start but will stop after 5-10 minutes and when warm it will be very hard to start it.
Camshaft sensor - only revs limited to 4000-45000 and then engine splutters.

It takes ca 30-40 to take it out. Move Blower Vents completely down as this is the best position, you can take them out.
Move steering wheel down - this will help you to get access to the firs screw.
When you can move the whole panel, try to take only left side and look behind it - you have to unplug the MID/TID display. There is a black holder on the plug - pull it and the plug will go out. Then, pull the panel and move it to the left gently.


VX genuine are made by Siemens, so you can get these from E-Bay. Don't go for "no-name quality product" as 20% don't work at all and 30% don't work as they should.
Title: Re: rev limiter ??
Post by: baja63 on 27 January 2008, 23:43:28
Quote
Yes, replace the bulb. It's very easy to take
When crankshaft sensor is knackered engine will start but will stop after 5-10 minutes and when warm it will be very hard to start it.
Camshaft sensor - only revs limited to 4000-45000 and then engine splutters.

It takes ca 30-40 to take it out. Move Blower Vents completely down as this is the best position, you can take them out.
Move steering wheel down - this will help you to get access to the firs screw.
When you can move the whole panel, try to take only left side and look behind it - you have to unplug the MID/TID display. There is a black holder on the plug - pull it and the plug will go out. Then, pull the panel and move it to the left gently.


VX genuine are made by Siemens, so you can get these from E-Bay. Don't go for "no-name quality product" as 20% don't work at all and 30% don't work as they should.
on first start up runs and revs fine only after about 60 secs does the limiter start cutting in at 4500 , still runs fine and has towed a drag racing car 240 miles in this state ??
Title: Re: rev limiter ??
Post by: davlad22 on 27 January 2008, 23:52:38
Come on mate, tis knackered!

Here's your list of things to do IN ORDER;

1. Remove dash and replace bulb
2. Read fault codes via paperclip test in maintainance guides
3. Replace faulty sensor - either crank or cam sensor. ONLY BUY GENUINE.

The end.
Title: Re: rev limiter ??
Post by: baja63 on 28 January 2008, 00:18:10
Quote
Come on mate, tis knackered!

Here's your list of things to do IN ORDER;

1. Remove dash and replace bulb
2. Read fault codes via paperclip test in maintainance guides
3. Replace faulty sensor - either crank or cam sensor. ONLY BUY GENUINE.

The end.
just making sure  ;)
Title: Re: rev limiter ??
Post by: davlad22 on 28 January 2008, 00:20:21
 :y

Not a problem for an experienced racer such as urself!
Title: Re: rev limiter ??
Post by: baja63 on 30 January 2008, 11:36:54
right , i think i have a code/codes 16 910 10 34 10 anyone ??
Title: Re: rev limiter ??
Post by: baja63 on 30 January 2008, 15:19:12
anyone ???? :(
Title: Re: rev limiter ??
Post by: Craig_R on 30 January 2008, 15:52:16
Quote
right , i think i have a code/codes 16 910 10 34 10 anyone ??

from what i can make out you have

1690      MIL/Engine fail (malfunction indicator lamp) this means you EML bulb was removed

0340       Camshaft sensor get this changed asap

I got both Cam sensor 0340 Crank Sensor 0335 on mine when the cam sensor went looks like your lucky only the Cam sensor code so looks like your car is saying Change My CAM SENSOR :)

Title: Re: rev limiter ??
Post by: baja63 on 30 January 2008, 15:54:52
yes it was , why o why do they do these things and thankyou at least it's the easy one to get to :)
Title: Re: rev limiter ??
Post by: TheBoy on 30 January 2008, 19:16:33
0340 - CAM sensor, as suggested.  Change it with genuine item, and see what happens :)
Title: Re: rev limiter ??
Post by: baja63 on 31 January 2008, 08:04:49
thanks for all the help everyone  :y guess what todays job will be  ;)
Title: Re: rev limiter ??
Post by: mkaminski100 on 31 January 2008, 11:57:20
As said. Replace it with geniune (ca £60) or Siemens (ca £24). Siemens is GM supplier so it's the same product. Dont go for any cheap Chinese "high quality product".
Title: Re: rev limiter ??
Post by: baja63 on 31 January 2008, 12:06:32
been quoted £48 at the dealer inc vat but have to solder my connecters on due parts update ???
Title: Re: rev limiter ??
Post by: Craig_R on 31 January 2008, 16:56:36
The New Cam Sensor Has a 2.2 plug which is different to the 2.0 they should give you a pack with a new cam sensor and a new plug and lead with 4 metal connectors, cut the old cable and connect it all up, i asked them to add some shrink wrap for free as the metal contacts should not touch.
Title: Re: rev limiter ??
Post by: baja63 on 31 January 2008, 17:15:25
it just sounded a bit iffy coming from a vx dealer
Title: Re: rev limiter ??
Post by: baja63 on 01 February 2008, 10:12:00
Quote
Quote
right , i think i have a code/codes 16 910 10 34 10 anyone ??

from what i can make out you have

1690      MIL/Engine fail (malfunction indicator lamp) this means you EML bulb was removed

0340       Camshaft sensor get this changed asap

I got both Cam sensor 0340 Crank Sensor 0335 on mine when the cam sensor went looks like your lucky only the Cam sensor code so looks like your car is saying Change My CAM SENSOR :)

i now i'm going over old ground but , would i be right to assume when the eml flashes 10 times it means zero as a zero cant be flashed
Title: Re: rev limiter ??
Post by: TheBoy on 01 February 2008, 11:19:11
Quote
Quote
Quote
right , i think i have a code/codes 16 910 10 34 10 anyone ??

from what i can make out you have

1690      MIL/Engine fail (malfunction indicator lamp) this means you EML bulb was removed

0340       Camshaft sensor get this changed asap

I got both Cam sensor 0340 Crank Sensor 0335 on mine when the cam sensor went looks like your lucky only the Cam sensor code so looks like your car is saying Change My CAM SENSOR :)

i now i'm going over old ground but , would i be right to assume when the eml flashes 10 times it means zero as a zero cant be flashed
yup
Title: Re: rev limiter ??
Post by: baja63 on 18 February 2008, 13:41:32
just got my arse into gear and changed the cam sensor and all is working fine .
thanks everyone   :y