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Old 12-25-2014, 03:25 PM
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zorin zorin is offline
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Join Date: Feb 2003
Location: Ottawa, Canada
Posts: 126
W126 420SEL Stalled- Won't Start

Hi Everyone,
Last week my '88 420SEL stalled while accelerating from a red light and it won't restart. I have checked the following :

- opened an injector tube, ignition on, fuel sprays temporarily. While cranking the engine, fuel is sprayed.
- jumping the fuel pump relay causes fuel spray
- checked the spark plugs, they are new. Wet with gasoline.
- checked for spark on both banks. Seems OK.
- I inspected the distributor cap although it is new. In good shape.
- Checked the ignition coil résistance between the three connection. All as per manual.
- Position sensor ohm OK.
- Checked the cylinder compression on both banks, it's about 10 bars. I am not sure if that's high enough.

What else can I check? Can there be water in the fuel? How can I check for that?

Thanks for any help.
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Zorin

'88 Benz 420 SEL
'79 Porsche 911SC ('87 Carrera Engine)
'00 BMW 540 Sports Package
'99 Land Rover Discovery

86 300E - Manual (sold)
88 260E (sold)
84 944 (sold)
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