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  #1  
Old 05-12-2010, 02:15 PM
nick.ged's Avatar
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Join Date: Mar 2007
Posts: 393
320 v6 12v 12 plugs fault

my friend has a 3.2 v6 129 sl. it has 12 plugs.

it starts and runs fine til it warms up then stops. wont start untill cooled down.

no smell of fuel when hot crank.

if it was a 124 i would say vop rely, but stumped... crank sensor maybe?

can any one help?

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ce 320 amg
widebody
tiwn turbo
Mutty 'der nail'
soon to be a six speed nail


"some mods improve your car and make it into something it never was, other mods, however, although essentially the same, are not, and make that car a ricer"

if your car isnt shiny, you dont know what you are talking about, remember; paint shine = knowledge. In order to be taken seriously, you should spend all your money on paint, (and get a dyno reading).
Dont forget to polish it often
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  #2  
Old 05-13-2010, 01:46 AM
nick.ged's Avatar
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Join Date: Mar 2007
Posts: 393
seems like its the crank sensor, also its got 18 valves, not 12!
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ce 320 amg
widebody
tiwn turbo
Mutty 'der nail'
soon to be a six speed nail


"some mods improve your car and make it into something it never was, other mods, however, although essentially the same, are not, and make that car a ricer"

if your car isnt shiny, you dont know what you are talking about, remember; paint shine = knowledge. In order to be taken seriously, you should spend all your money on paint, (and get a dyno reading).
Dont forget to polish it often
Reply With Quote
  #3  
Old 05-13-2010, 02:08 PM
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Join Date: Dec 2006
Location: beautiful Bucks Co, PA
Posts: 961
Yup, most likely the crankshaft position sensor in the bell housing.
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  #4  
Old 05-14-2010, 12:13 PM
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Join Date: Apr 2000
Location: Falls Church, VA
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Can you put a timing light on it when it won't start and check for spark when cranking?

Is the fuel pump running when cranking?

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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