High idle: a simple fix? | Mercedes 220CE w124 coupe | Not A Proper Classic
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- Опубликовано: 2 фев 2025
- With the rough running issues now being high idle issues, I hope it's a simple fix. Can one spring really sort my problems? #mercedes #w124
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If you know how to solder you make a diagnostic tool which you plug on the 16 pin OBD port of your car. There are DIY on the internet. I think it may help you resolve your problem. Concerning my E220, I have a similar problem as yours sometimes the car idle at 1500rpm or 2000rpm. When I plug the tool it tells me that "O2S (Lambda) control system operating at rich or lean limit" which can mean that there is an intake air leak or an improper fuel pressure. I still need to investigate on that!
Good luck on your side!
Ooooh. That would be sweet if thats sorted it man! Still not a fan of the play in that ajustment arm, but all the little tweaks might combine to get it back to how it should be.
It’s better, if still not quite right. But every little step. Someone on the Facebook group said it may need a throttle body clean…
@@Beechams1042 surely the rusted, worse condition throttle body that was fitted would have been cleaned first....
yes, without that spring the throttle body does not read the idle position 0, because there is a micro switch which in your case was not pressed without the spring.
Clean the throttle body and if necessary adjust the accelerator cable play by turning the black threaded knob.
adjusting the cable does not improve idle but on the other hand improves driving and response to the pedal.
I'll take another look and adjust the cable.
What's best to clean the throttle body? Clutch and brake cleaner?
No better to use a specific throttle body cleaner for the type of dirt and grime it needs to remove
to lubricate the various joints of the accelerator (after having cleaned them well and degreased) I use a drop of ATF oil sprayed on an oiler, a drop is enough for each one, ATF penetrates and remains on the surfaces, anti-rust and unblocking, the best!