[FSchuett]

Hello,
I´ve a little problem with my ´95 Eldorado...

The idle are pulsing from 700 till 900 rpm if the engine are warm.
If the engine cold the idle are correct at 900 rpm.
At driving it works very fine...
No error codes at the obd

I don´t know what it is !

Frank

 

[Ranger]

Vacuum leak?

 

[Mafiaman111]

My 98 eldorado idles between 650-750 warm and 1000 when very cold

 

[FSchuett]

Hello ranger,
any idea where I search/find the vacuum leaks ?
I don't where I search ....
Frank

 

[Ranger]

Manifold perimeter bolts/gaskets. PCV grommet, and and all vacuum lines.