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[Wayne]

Dis park was genuine, had some Bosch spark plugs, but don't think HT leads were top of the range lol

[Wayne]

Error codes are 12, 16 and 31

should I be worried?

[Wayne]

knock sensor? which one is it? Drivers side or passenger side?

are they expensive? is it best to fit 2 new ones?
and lastly, is it a nightmare to do yourself?
am I looking at another stupid bill? would anyone like to do it for me for some cash?

I live in Faringdon in Oxfordshire

[Wayne]

Jesus! http://www.vauxhall-car-parts.co.uk/acatalog/VAUXHALL_KNOCK_SENSOR_-_90541521.html

[Kevin Wood]

A knock sensor code doesn't mean "go and buy a new one".

If the light has now gone off and it's running OK I would use it for a while and see if it returns, to be honest. Can't see how it would be connected with work done on the coil pack.

[Wayne]

Phew! Thank god! I'll use the car and see if EML light returns

won't be for a few days as I'm off to Lithuania with my band late

Will let you all know if my car blows up lol

[Wayne]

Bloody cars EML light has come on again 

i can honestly say i have had a guts full of my car now, there was a point when bugger all was wrong with her, now its one thing after another and she has to be the most unreliable car ive ever owned with things keep going wrong all the time, even the air con dont work, just pumpin out normal air, not cold whatsoever

coil pack, HT leads, spark plugs, battery, alternator, blah blah blah!!!

dont know what to do about the offending knock sensor error code on paperclip test

id probably sell it but wouldn't get anything for her, not on an S reg with 86000 on the clock
i know i cant afford to keep spending shit loads each month, its unviable financially 

[Andy H]

Do you have a code for a knock sensor?

The wire to the drivers side knock sensor runs across the front of the cam belt cover. It is quite common for the wire to get damaged when the cam belt is changed.

[Wayne]

Error code i got from Paper clip test were these

Error codes are 12, 16 and 31

[Andy H]

12   End of codes (no problem)
16   Knock Signal Circuit 1 (drivers side)
31   No Engine RPM Signal (engine not running)

Check in and around the cable tray across the front of the cam belt cover for damage to the knock sensor cable.

[Wayne]

so,  error code 16 could be the main reason for the months of the dreaded intermittent EML light?
what does the code mean exactly?  and is this knock sensor on the drivers side or passenger side?
will i need to buy Genuine sensors? or are aftermarket ones ok? is it best to replace one or two of them?

my mechanic is gonna look to see if the sensors been damaged when i had my new cambelt fitted 3 - 4 years ago
or maybe its gotten trapped?

[TheBoy]

i can honestly say i have had a guts full of my car now, there was a point when bugger all was wrong with her, now its one thing after another and she has to be the most unreliable car ive ever owned with things keep going wrong all the time, even the air con dont work, just pumpin out normal air, not cold whatsoever

I wonder how much of that is down to the mechanic/garage that does your work 

[Wayne]

thought you`d say that !

I am no mechanic, so i cant tell if i`m getting stitched up or not
and im not competent enough to go fiddling

[amba]

I had a similar code appear on my car recently,Wayne,after I did a clean up of the plenum and breathers.

All put back together as I have done many times although car was really sluggish and wouldn,t pull and had a definite missfire.I checked the fault caodes and mine was bringing up 17 which is n/s knock sensor.

After pulling it all to bits and putting it back several times traced the fault down to a spark plug which had a bit of moisture under the rubber boot.Gave it a good clean and dry..rechecked all 6 plugs torque and car hasn,t missed a beat since.

The code you have got is the ecu telling you there is a fault,not necessarily the sensor at fault.My advise would be to remove each plug cap and check they are dry/clean and the plug is correctly torqued down .My money is on 1 cylinder,in your case with the fault code 16 being the easier side to access.(.Drivers side )  being either a  loose plug or cap not sealing and getting a good spark...should be a simple fix and within your ability to rectify.

[adey2]

ive never taken a car to a garage due to the amount who willingly will rip you off, this will sound crazy but ive just towed a vectra home that a vauxhall garage told previous owner the cam chain had slipped/snapped on it, got it home and in putting on my driveway for a bit of open heart surgry i tried starting it, turn out it was flooded with fuel and purrs like a kitten, now if you cant trust a dealer to give right diagnosis who can you trust