sparkysbandit · Jan 28, 2013

what are the usual causes for a "lumpy" tick over on a 1.8i

ticks over between 500-900 ish (engine warm or cold)

could it have anything to do with there being a small amount of free play on the throttle pedal?
can this play be adjusted?

other than this it runs really well, good mpg, good pick up and acceleration

awaiting pi55 taking and do a search comments

DD3 · Jan 28, 2013

sparkysbandit said:
what are the usual causes for a "lumpy" tick over on a 1.8i

ticks over between 500-900 ish (engine warm or cold)

could it have anything to do with there being a small amount of free play on the throttle pedal?
can this play be adjusted?

other than this it runs really well, good mpg, good pick up and acceleration

awaiting pi55 taking and do a search comments

Get some expensive spark plugs and use super unleaded - cured mine.

sparkysbandit · Jan 28, 2013

DD3 said:
Get some expensive spark plugs and use super unleaded - cured mine.

which one of you suggestions cured the play on the throttle?

is that my taxi i hear

ferretboy · Jan 28, 2013

May have sticky egr valve !! Causes strange pulsing at low rpm ! Also maf sensor if it has one ! May be !!

sparkysbandit · Jan 28, 2013

ferretboy said:
May have sticky egr valve !! Causes strange pulsing at low rpm ! Also maf sensor if it has one ! May be !!

erm right

whats a "egr valve" or a "maf"

sparkysbandit · Jan 28, 2013

arnt they for oil burners?

mjrimmer · Jan 28, 2013

Yep although I could be wrong

DD3 · Jan 28, 2013

sparkysbandit said:
which one of you suggestions cured the play on the throttle?

is that my taxi i hear

Play in cable you can adjust at the throttle gismo - er remove clip and turn adjuster anti clockwise, replace clip iirc.

eightinavee · Jan 28, 2013

ferretboy said:
May have sticky egr valve !! Causes strange pulsing at low rpm ! Also maf sensor if it has one ! May be !!

A 1.8 FL has neither.
A poor idle may be caused by allsorts of things.Dying dizzy cap,plugs,leads etc will all do it.Air leaks or a dying oxygen sensor will also have the same effect.
Not all of the causes are easy to spot - good luck.

sparkysbandit · Jan 28, 2013

DD3 said:
Play in cable you can adjust at the throttle gismo - er remove clip and turn adjuster anti clockwise, replace clip iirc.

if its dry in the morn a'l have a look at the "gismo" and see what i can do.

now if you could perhaps show a pic of this gismo or explain where it is, i would be very grateful

sparkysbandit · Jan 28, 2013

eightinavee said:
A 1.8 FL has neither.
A poor idle may be caused by allsorts of things.Dying dizzy cap,plugs,leads etc will all do it.Air leaks or a dying oxygen sensor will also have the same effect.
Not all of the causes are easy to spot - good luck.

i dont think mine has a dizzy, unless its well hidden (mines a 2002 model)

im gonna check most or all of what ya suggesting over the next few days (weather permitting)

cheers bud

DD3 · Jan 28, 2013

sparkysbandit said:
if its dry in the morn a'l have a look at the "gismo" and see what i can do.

now if you could perhaps show a pic of this gismo or explain where it is, i would be very grateful

Where the cable gets to the RH end of the engine and connects to the gismo. It looks a bit like the adjuster on a bicycle brake cable. Sure you know that there needs to be some slack in it. o yea, the other thing is the re set throttle position - iirc you switch on (not start) and pump the throttle 5x. Can somebody back me up on this??

Freelaner · Jan 28, 2013

2002 had mems 3

so no dizzy

Garboy88 · Jan 28, 2013

Mines a bit lumpy when it's cold, as soon as it warms up tho it's ok

sparkysbandit · Jan 28, 2013

DD3 said:
Where the cable gets to the RH end of the engine and connects to the gismo. It looks a bit like the adjuster on a bicycle brake cable. Sure you know that there needs to be some slack in it. o yea, the other thing is the re set throttle position - iirc you switch on (not start) and pump the throttle 5x. Can somebody back me up on this??

cheers bud, a couple of my pals think there is too much play too, it doesn't bother me too much but i would like a little less play (im sure wor lass has said this too)

iv just been checking out the throttle position re set and if what im reading is right, you must be too

DD3 · Jan 28, 2013

Freelaner said:
2002 had mems 3

so no dizzy

He's right tha knows!

sparkysbandit · Jan 28, 2013

oh no.... whats mems 3

sound like....costa lotta wonga if it go wrong

DD3 · Jan 28, 2013

sparkysbandit said:
oh no.... whats mems 3

sound like....costa lotta wonga if it go wrong

Techie gismo stuff er dont know, but yours defo does not have a dizzie!

sparkysbandit · Jan 28, 2013

DD3 said:
Techie gismo stuff er dont know, but yours defo does not have a dizzie!

ah i see, im not much of a techie type of guy

eightinavee · Jan 28, 2013

sparkysbandit said:
i dont think mine has a dizzy, unless its well hidden (mines a 2002 model)

im gonna check most or all of what ya suggesting over the next few days (weather permitting)

cheers bud

OK,if its an 02my it wont have a dizzy,you didnt state the age of the car in your original post.Same deal though where plugs and the two cyls which have leads are concerned.
If a visual check does not help then a code read of the engine ecu would help,I dont see much of petrol FL 1's now so I'm a bit rusty on them,from memory the engine ecu is Mems S3 2000. Any fault codes should be reasonably accurate if they are recent.But often live data displays give a much better idea of what is going on - or not as the case may be.I guess an OBD II code reader should be able to communicate with your car,I only use Testbook on these so you may need further advice of what will work properly on your car.

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