Rough Cold Idle-CRC MAF CLEANER - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 06-18-2010, 11:39 PM Thread Starter
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Date registered: Apr 2010
Vehicle: 2002 E320 Special Edition
Location: Denver, NC
Posts: 79
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(Thread Starter)

I had a post not long ago because my code reader was showing P0106. This was for the MAP sensor and the CEL was on. With forum help I installed the Map sensor, reset the code and everything seemed OK. There was no CEL but I had an idle problem when the engine was cold. It idled rough and would almost cut off until proper operating temp. was obtained. I read in this forum to purchase CRC MAF Sensor Cleaner. I bought the CRC, removed the MAF and hosed it down with the CRC in every nook and cranny. It dries almost immediately. BUT, my car is cured from the idle problem and actually feels as if I just got a major tune-up. It idles so smooth, it is unbelievable. It appears that I am getting close to +2 mpg. The trans even feels as if it is shifting smoother. My wife noticed it so much I will be doing her MAF on her Caddy CTS.
I just wanted to write this so people will try it BEFORE replacing the MAF. I was about to replace the MAF but the CRC made the car run as good as new. It really doesn't cost that much either. I paid $6.66 at Auto Zone.
Just thought I could get people to try this BEFORE buying a new MAF.

2002 E320 Special Edition-Quartz Silver/Ash
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