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Old 09-28-2003, 08:54 PM
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Join Date: Mar 2003
Location: New Hampshire
Posts: 158
A strange problem here, theories welcome.


I was driving from boston to philly on friday night and suddenly my 88 190e gave me a weird response. The rpms shot way up but the car wasnt going any faster. It was as if I was in neutral. So I immediately pulled off to the shoulder and as I was slowing down the car stalled. Then it wouldnt start for about 1 minute. When I looked under the hood, all fluids were fine, but i noticed the exhaust manifold was glowing red in the middle of it. Not very bright but enough for me to notice. When i was driving i had the pedal steady not accelerating or decelerating, approximately 70 mph.

Any theories on what may have happened here? And whats with the manifold, is there a correlation between these events?

Many Thanks,


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Old 09-28-2003, 09:39 PM
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,616
After you got it to restart it's been fine ever since?

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Old 09-28-2003, 09:54 PM
Registered User
Join Date: Mar 2003
Location: New Hampshire
Posts: 158
Yes , no problem since, I drove back today without incident. It was daylight out so I didnt notice a glowing manifold if it was infact glowing.
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Old 09-29-2003, 08:51 AM
I told you so!
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,844
The manifold glowing red would indicate an over-rich fuel mixture or unburned mixture. You didn't say the engine was missing so it was probably an over-rich condition. The change in rpm may have been a spontaneous downshifting in the transmission. No answers - just a couple of thoughts.

95 E320 Cabriolet, 153K
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