W124 cutting off k reg 1993

[Fazzmerc]

Hi Guys,

I have k reg 1993, 220e Mercedes w124 coupe I have noticed whilst driving on a hill it tends to loose power and jumps back to gear 1/2. With no response from throttle.

However whilst in idle mode (p) it revs perfect, fuel pressure and injector have been recently tested and that side seems good. Any suggestions to fix the problem please forward your views.

 

[khomer2]

W124 e220 coupe - Loss of power | Engine

Hi all, I've got a few issues creeping up on me now with the coupe........ It passed the MOT as usual first time, however, there is a slight leak in the back of the exhaust. There is also a missing throttle return spring, which resulted in a hairy moment in the office car park last week...

forums.mbclub.co.uk

Also, mention if you've dealt with the eco-harness issue - replaced at all?
This can create issues that makes diagnosing problems near impossible, until the harness is replaced.

 

[optimusprime]

Your going in to limp mode .

 

[grober]

It might be an auto transmission/torque convertor problem when was the fluid /filter changed last? have you checked the fluid level/or for fluid contamination on the dipstick recently?

 

[wrdcc01]

Could be a coil breaking down under load and or wiring breaking down. Are you getting a misfire?

 

[Fazzmerc]

Could be a coil breaking down under load and or wiring breaking down. Are you getting a misfire?

 

[Fazzmerc]

Not on idle,shutters a bit can’t find the distributor cap engine code Is 111960

 

[Fazzmerc]

It might be an auto transmission/torque convertor problem when was the fluid /filter changed last? have you checked the fluid level/or for fluid contamination on the dipstick recently?

Did fuel pressure test that side seems fine.
Gear oil seems fine also.

 

[grober]

Your car has a twin coil lost spark system driven by the ECU transistors which can go faulty -sounds as if your HT is breaking down under load could be the items in bold or the spark plug leads- the coils are sort of hidden under the inlet manifold. do a earch on here more more details on the m111 ignition

 

[Fazzmerc]

I’ve managed to fix the issues engine wiring loom was bad. Thanks for you help.
On another topic how easy to check boot lock. I have see. Some loose vacuum pipes under left seat

 

[khomer2]

If your main wiring harness loom was bad (eco crap), you can be rest assured you will still have to address the eco crap in the TBA. There is no shortcut or quick fix, until this (also) has been addressed.

 

[optimusprime]

For vacuum checking you will need a vacuum pump.They are cheap on ebay. Thats so you can check out the system

 

[optimusprime]

This is what i use ...well i have one but never used it yet ..it is just in case i need it . just over £13 . 00