whiteknight

Hi all,

What is the cause of det? and how can it be prevented?

Rob

I apologise for the spelling of the title, dont know how to change it

[Edited by whiteknight - 6/25/2003 10:57:55 PM]

X SOOOBY

i am no expert but i would say where do you want to start there are loads of things that can cause it and loads to prevent it

whiteknight

well for one i pretty sure my maf sensor is on its way out, been meaning to change it for a while, by the way my car is a 95 uk

[Edited by whiteknight - 6/25/2003 11:00:46 PM]

Fuzz

Off the top of my head,

too high a boost pressure,
too far advanced ignition,
too hot an intake charge,
contaminated intake charge,
badly atomised fuel mixture,
too high a comression ratio, not exactly something that would go wrong with an engine but something to think about when building one !


Andy


[Edited by Fuzz - 6/25/2003 11:16:24 PM]

[Edited by Fuzz - 6/25/2003 11:17:22 PM]

LB4

and given you suspect your MAF another cause is incorrect air/fuel ratio.

Gary

[Edited by LB4 - 6/25/2003 11:29:17 PM]

RICH WILD

Hi there,

Why do you suspect the MAF to be going? On early cars, MAF failure is very uncommon.

And what makes you think you are getting detonation?

Cheers

Rich

Leslie

All those things that Fuzz said. It has an evil effect on your engine too-imagine hitting your piston tops with a lump hammer every time it fires! Definitely worth avoiding at all costs.

Les

DeanF

iTrader: (1)

I Have a spare MAF floating about as i bought one thinking that was the problem, Turned out to me Lamda Sensor, Mines a MY94 UK.
What are your Symptons ?

whiteknight

i will buy that off you Deanf, my symtoms are that when i put my foot down from start off or low revs it seems though the engine cuts out for a split second, it started to heppen a fair while ago but it seems to have got worse, esspecially when the car has been driven on the motorway!

does any any of this seem familiar to you?

Rob

Fuzz

has it been serviced regularly?

another one from Gloucestershire

Andy

edit : as I now have read the post properly

[Edited by Fuzz - 6/26/2003 5:38:40 PM]

whiteknight

He Fuzz, met you at the power run and at the meet at the highwayman inn, im the one with the white classic, its been serviced propally and i give it regular oil changes!!!

Any ideas?

By the way how you getting on with yours?

Rob

whiteknight

ttt

thebothy

go to power engineering of uxbridge website look at technical stuff and you can find couple of good explanations but basicly the front of your pistons are being burnt buy the ignition of fuel as the piston comes up you can rectifi this by having your ecu remapped costs about 900 quid you get more power to dett is a bad thing so be carefull

Fuzz

I know you already then.
Via Blitzimpreza isn't it ?

Finally got yourself a pc then.

Thoughts on your motor,
Reason for asking if it had regular service was, i thought it might have been something simple like plugs or maybe leads breaking down ?

Duff MAF sensors usually cause a bad / rough idle.
Does it ? ( you didn't mention it!)

Andy

whiteknight

yeah im blitzs mate, Yeah finally got a laptop,trouble is i spend more time on scoobynet now than anything else!

It does hunt for a idle most of the time especiall after stopping quick at lights etc

Rob

how do you get the faces??

Fuzz

: ) =
: D =
: ( =
: eek: =
: confused: =
: cool: =
: p =
: o =
: rolleyes: =
; ) =

Just take the space out from between the first colon / semicolon and your away

Andy

If she is hunting at idle, then your probably right in thinking its the MAF. I have the one off my 00MY if it'll fit,
Don't need it any more as I'm running the Link ECU

whiteknight

lets see if this works then??

i dont think it will fit cause for cars MY96 and below need too replace the whole thing i believe.

What does the lamda sensor do? Sorry about being thick

[Edited by whiteknight - 6/26/2003 11:28:08 PM]