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#1
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1987 300D poor performance
I am looking at a 1987 300D with over 160,000miles. The car will not go over 40mph. I am not where the car is located. Any idea what would cause this problem? Thanks Dan
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#2
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It's a diesel engine. Top speed when new was 41 mph. The fact that it will still go 40 mph is a testament to what a fine engine it is. Seriously, you should probably get a pre-purchase inspection. Having to dig into that engine would probably exceed the value of the car.
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#3
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Of course not.
Doesn't this model have the 603 turbo? I've driven a 1980 240D at 75 mph and my E300 can easily break that. My guess is a transmission problem if the engine is running fine. Did Mercedes have the "limp-home mode" this long ago? I know if the computer in my E300 detects a serious problem the transmission won't shift out of 2nd gear. This could be what's limiting it to 40mph.
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99 E300 TD -- sold 01 540i 6 spd |
#4
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Quote:
There was not a "limp" mode on the MB diesels until the 1990/91 300D 2.5. |
#5
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Slow diesel
Fuel filters,air filters....first things to change.....classic symptoms.....
Pre-purchase inspection is money well spent.....
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1978 Yellow 300D (The Mustard Toad) 1980 Blue 240D (The Iron Toad) 1989 Grey Mitsu.4WD Mighty Max Pickup (Needs a Diesel transplant bad) (Open the pod bay doors HAL) |
#6
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the boost lines for the turbo also seem to be a common issue with the 603's. That could also keep the car at 40mph, they probably need a cleaning.
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
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