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Old 09-22-2009, 12:17 PM
to3033 to3033 is offline
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Join Date: Sep 2009
Posts: 12
94 S420: Car won't start after being driven a while

Hey all,

I assume I am going to hear a lot of responses having to do with vapor lock, but...

Car starts fine in the morning.
I drive it 5-10 miles, get the engine decently warm
outside temperature is low 70s, so not scorching
stop the car
come back for 5 minutes, try to start the car
most of the time it will start but ONLY if i press the gas pedal while cranking
if i don't push the gas pedal (and even if i do) sometimes the car doesn't start
the starter cranks like mad, but there is just no sense of any turn over

usually, also, the car feels like it will want to cut out on me on these warm starts when I put it in reverse (not drive though) - no clue if that is related to the starting problem, but it's partly why I wrote a new thread instead of looking up vapor lock threads

any thoughts on what is wrong, and more specifically, HOW to FIX it!
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