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[bellers]

my eml light comes on and flickers. seems to be only on at low rpm and then goes of at higher rpm. then after a bit of driving at low rpm comes back on

done paperclip and got 17 and 16 knock sensor currnet 1 and knock sensor currnet 2. any aidea what could be it issue. i dont notice any affect on driving possibly a bit slow pick up at low revs but i could be imagining it 

thanks

[bellers]

forgot to mention its a 3.0 if that helps

[bellers]

Checked the wires for knock sensors and nothing trapped or no damage to them.
Took it for a good run tonight and doesnt seem to affect driving at all pulls right through revs with no missfire or flat spots

[TheBoy]

if the lights are on, and they are only codes, it will be holding back.

I'd clear the codes out, reset BLMs, and start afresh, see what comes back.

[bellers]

Sorry but whats BLM?
How do i do i clear codes and reset BLM?

[TheBoy]

Given the fault codes given earlier, I guess its either a 2.5/3.0 V6, or a pre 1997 2.0l.

For the 2.5/3.0, tech2 or similar device needed. Don't think a code reset rests BLMs, but honestly can't remember.
For a Pre 1997 2.0l, tech1 or similar. Ditto with BLMs.

The EOBD compatible cars reset trims BLM when you clear codes, but that not relevent to you.

[bellers]

Aye its a 3.0 v6. Shes a 1999 so you recon ive to get it on to tech2?

[TheBoy]

Aye its a 3.0 v6. Shes a 1999 so you recon ive to get it on to tech2?

An EOBD/OBDII reader can't do it, so you need a proprietry scanner thats capable of reading codes and resetting BLMs.  Tech2 is the dealer level tool to do this, but other tools may be able to as well.

[bellers]

havent got codes reset yet but im now getting code 74  Mass Air Flow Sensor Voltage High as well as 16 and 17.

hope to get them reset this week

[TheBoy]

Not uncommon for erroneous MAF codes. Looking at live data allows an expereinced operator to know if the MAF is toast.

[bellers]

thanks.

think ill get it onto tech2 instead of a code reader to reset the codes. im off on holidays for 2 weeks so ill call in to vauxhall and see how much it is

[TheBoy]

Dealer will be a waste of space, and charge you a fortune it parts you don't need.

Is there a nearby member? Having a location in your profile helps with this

[bellers]

Lisburn. Northern ireland