e36 M3 Rev

[BMWpower]

Hi Guys,

I need some help,

My e36 M4 94 – 2 Door,

My idle is fine, but I have a problem with my rev sometimes
For example,
When I’m in neutral and push first gear, move slightly forward and push my clutch in again the revs shoots up to about 1000rpm, sits there for a few seconds then drops to normal,

This does not happen all the time though,

I noticed this when I was pulling up to Robots or stopping
Then tested it in my yard,

Same with reverse,

Cleaned the MAF, cleaned the ICV

What could it be and what do I look for next??

Vacuum Leak?

Thanks guys! Please help

 

[Peejay]

Howsit Bud.

Can I just ask what and where is the ICV?

 

[tyu333]

Check if your accelerator cable operates smoothly

 

[BMWpower]

its your Idle Control Valve,
sits under your intake manifold

the accelerator cable does operates smoothly

 

[Peejay]

Please post a pic?

 

[hoosain]

spray q20 on all the springs that are connected to the throttle bodies
i had the same problem and the above fixed it

 

[Peejay]

Update?

 

[BMWpower]

still has not sorted the problem

 

[Wick-ed]

My e36 M4 94 – 2 Door,

 

[Peejay]

Clean the idle potentio meter.

 

[BMWpower]

any other suggetions guys?

 

[S50B32turbo]

Try pressing the plate where the cruise control and throttle cable attach. When you release it does it close all the way or if you push it can it close a little more? Also check the rubbers of those cables, sometimes they break and catch on that plate

 

[BMWpower]

i put a brand new accelerator cable in

 

[Yuvan]

I have a dumb suggestion but this dumb thing happened to me. Is your car mat not jamming the accelerator pedal slightly at times. :flyfun:

 

[S50B32turbo]

Wen last did u do a service, could be fuel filter

 

[BMWpower]

sup guys, i removed the mat, and the fuel filter was changed on my last service recently

 

[Xack]

sup guys, i removed the mat, and the fuel filter was changed on my last service recently

And?? problem fixed?

 

[KamalM3]

I have a dumb suggestion but this dumb thing happened to me. Is your car mat not jamming the accelerator pedal slightly at times. :flyfun:

this could be the problem, happens to me sometimes...

 

[BMWpower]

done all the above and still no help :flyfun:

---

have done all the above,

still hasnt fixed the problem

 

[M3_devil]

On M3 the TPS (throttle position sensor) sits on the end of the throttle linkage shaft infront of motor. If it is causing issues it will throw a fault code.

Have car read as it will cause the symptons you described.