1995 E320 SE Check Engine Light/ Acceleration Loss? - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 10-26-2008, 06:11 PM Thread Starter
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Unhappy 1995 E320 SE Check Engine Light/ Acceleration Loss?

Hello, I just purchased Friday, a 1995 E320 SE with a 3.2 L engine, 136 K miles.

The car ran great with awesome acceleration until midday yesterday when I first heard a whining noise after revving the engine. Then, today, the dreaded Check Engine Light came on.

I could not believe the timing!!! This is the second used car to develop problems the DAY after I purchased the car. If I had only heard this sound and seen the CEL, I would never have purchased this E320. However, I heard that this particular year E class has great engines. Is this car worth the investment?

Does anyone know what might cause this sudden loss of power, whining noise, and the CEL to come on? I also have a defunct / malfunctioning air conditioner compressor. Would A/C issues affect the CEL and acceleration?

Any help would be extraordinary! Thank you!
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post #2 of 3 (permalink) Old 10-27-2008, 02:55 PM
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Vehicle: 99 Merc S420 (80k Mi) 07 Lexus LS460 (21k Miles)
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Did you purchase the car private sale or at a dealer?
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post #3 of 3 (permalink) Old 10-30-2008, 05:02 PM Thread Starter
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Red face

Thank you for the prompt reply! I am sorry that I could not respond immediately.

I bought the car from a private seller unfortunately. I just completed a diagnostic after the CEL came on.

The codes include 086, 111, 100, 021 specifying potentially a faulty purge valve, a faulty overload relay, and low flow to the EGR valve. Other mechanics mentioned a cleaning and flush of the fuel injection also.

The price quote with or without a fuel injection cleaning amounted to $990 US. Is this a reasonable price quote? Or how much should labor be for this type of work? What is a good parts site?

Would this work bring back the acceleration or do I need something else done? I am also now caught up in a legal issue with the original owner for not specifying the problem.

Thank you for the help!
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