91 Mercedes 190E 2.3 Idle problems

 Air Cleaner Housing removal

91 mercedes
91 mercedes

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

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

91 mercedes

91 mercedes

91 mercedes

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

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