I have ordered a AutoEnginuity OBD II OBD2 Windows Scan Tool & Dyno(USB) to use with my laptop computer. Hopefully with the new scan tool I'll be able to get more detail on what is causing the error code creating the check engine light.

I also returned the MAS that originally ordered because it appeared defective. After installing the new MAS, the car would hardly run by the end of the day. After further observation of the new MAS, it had a Vaseline substance dripping from the base of the wire filament. I reinstalled the old MAS and the car ran fine again.

I also have on order a replacement fuel filter, and new spark plugs that I will install later this week. (Maintenance items at 60,000 miles)

I’ll keep you posted.

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Russell McMahon
Tulsa, OK
2001 CLK 320
1992 400se
1993 400e
2000 320ML