91 Mercedes 190E 2.3 Idle problems

 Air Cleaner Housing removal

91 mercedes air cleaner housing
91 mercedes old air filter

 Clean the throttle body, plate, and butterfly if possible.
91 mercedes buttefly

Check the breather hose branch type under the air cleaner assembly for cracks and broken plastic insert.
91 mercedes breather hose
91 mercedes breather hose
If this hose is broken, the car won’t start.

91 mercedes old branch

91 mercedes new branch

91 mercedes New Air

PUT BACK EVERYTHING AND THE IDLE IS GREAT!!!!!!!!!!!!!! SOLID AT ANY CONDITION!!!!

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