Idle Issue

[iamdaryl]

Before I decide to send the car to car heaven I would like to try and fix this real annoying problem.

I start the car and its fine, revs around 1,000-900rpm but as soon as i touch the throttle and drive thats where the issues happen.

If I stop in traffic or have the car in neutral the car will idle at around 600-500 rpm and sometimes dip lower and cut out.

So far I have changed:

• Lambda Sensor
• ICV
• Throttle Body
• Map Sensor

Within the last month

And within the last 4-5 months I've changed:

• Coilpack
• HT Leads
• Spark Plugs
• Crank Sensor

Does anyone have any ideas what could be causing this real annoying issue?

Thanks

 

[iamdaryl]

Anyone?

 

[Wobba]

Bad earth
Coolant temp. sensor
Random wiring issue

 

[Clioste]

Have you plugged an diagnostics reader in to see if there is any codes even thou there might not be lights showing on the dash

 

[iamdaryl]

Not coolant temp sensor, new one of those aswell with the last few months.

At the moment the cars idle seems to stick at around 2-2.5k rpm but I can blip the throttle and it will drop down to around 1k rpm.

Will need to see if I can get it on diagnostics without costing crazy money from a garage.

 

[Mr R.]

Not coolant temp sensor, new one of those aswell with the last few months.

At the moment the cars idle seems to stick at around 2-2.5k rpm but I can blip the throttle and it will drop down to around 1k rpm.

Will need to see if I can get it on diagnostics without costing crazy money from a garage.

So you wont pay to put it onto a diagnostics machine but you are quite happy to be replacing parts. :S

 

[iamdaryl]

Yes, I will speak to a friend of mine who is currently in the states if I can use his diagnostics machine.

 

[Capstankid]

Could it not be the timing? When was the cambelt done and who by?

 

[iamdaryl]

Cambelt was done Feb last year by engine dynamics. So shouldn't have thought it'd be that.

 

[Clioste]

Can't see it being timing have you tryed your air mass

 

[Clioste]

Try unplugging the connector and see if it makes a diff but a diagnostics machine shouldn't cost you much at all what area are you from.

 

[MartinR]

Could be Essex. ^^^^

 

[Clioste]

O bit far from me I've got a reader I could of plugged in for free.

 

[iamdaryl]

Yeah I'm in Essex, won't be far from Oldbury over the weekend though, I'll be in Kings Heath

 

[Clioste]

Well I've gt one that plugs in and runs from Bluetooth really is good can read data aswell just send me a pm when your there and we could sort some think if you like.

 

[iamdaryl]

That'd be really cool, thanks mate appreciate that.

 

[Clioste]

What time you round these sides mate

 

[iamdaryl]

I'll be up tomorrow afternoon/evening until Monday sometime

 

[Clioste]

Well tomorrow I'm up my moms at 3 which ain't far from me so if you like privite message me and I'll send you the add mate

 

[Clioste]

Plus I can use her phone as mine plays up iPhone rubbish

 

[iamdaryl]

So after popping to see Clioste, we plugged it up and had no fault codes what so ever.

Noticed that the throttle cable wasnt fully tight so tightened it up and the pedal was very high but thought I'd give it a go, was fine for the first few miles, but once again got the idle got sticky at around 2-2.5k rpm. I can blip the throttle and it does drop back down to around 800rpm but as soon as I touch the throttle again it starts rising.

Anyone have any other ideas?

Thanks

 

[Clioste]

You've prob got sticky throttle bodie mate did you spray it take it all off and clean it up might be dirty and the pedal was really low on your and so much play just loosen a fraction so you've got a tiny bit of movement but not to the extent you had but id say throttle body strip and clean with brake cleaner.

 

[iamdaryl]

throttle body got cleaned on saturday with carb cleaner.

This is getting rather confusing now

 

[Clioste]

When are you next down kings Heath

 

[iamdaryl]

not for a few weeks mate, just ordered one of those readers you had though.

 

[Clioste]

Yeah they am good for the price tbh but when u get it download app obd2 by Ian Hawkins best app for andriod

 

[iamdaryl]

Something else I've noticed when driving home tonight, if I'm just lightly using the throttle that is when the issue happens. If I have my foot down then idle returns to normal when slowing down or changing gear and won't stick at around 2-3k.

Don't suppose anyone else has any other ideas?

Thanks

 

[Clioste]

Idel control valve I wounder