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Discussion Starter · #1 ·
Hey all, new Smartcar owner, first time poster. So I bought a used 2009 Smart Fortwo Passion. They guy selling it said it simply wouldn't start one day. So, being technically minded, I did some troubleshooting. Now, when I turn the key, the starter is working, but the engine won't fire. So here's what I've done:



Fuel - working, fuel pump is pushing out fuel.

Battery - brand new, fully charged

Spark - pulled coil and plug #2 , and put it to the engine block. Spark is weak and orange, probably being quenched by the compression into the cylinder.

Also checked continuity between engine block, and frame ground - have continuity.

So what else am I missing? Thoughts?

Thanks in advance everyone.
 

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Discussion Starter · #6 ·
I've checked it with my OBD reader, and it's not showing any codes.

And the starter is turning the crankshaft, I can hear it doing so.

Just checked all my fuses, they are fine.

And just replaced all 3 spark plugs. It actually sputtered, like it was about to fire up, it just couldn't do it. :(
 

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I'd put a fuel pressure gauge and see what she says
I've checked it with my OBD reader, and it's not showing any codes.

And the starter is turning the crankshaft, I can hear it doing so.

Just checked all my fuses, they are fine.

And just replaced all 3 spark plugs. It actually sputtered, like it was about to fire up, it just couldn't do it. <img src="http://smartcarofamerica.com/forums/images/SmartCarOfAmerica/smilies/tango_face_sad.png" border="0" alt="" title="Frown" class="inlineimg" />
 

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Discussion Starter · #9 ·
Hey everyone, I know this topic is month old, but I wanted to do a follow up, in case it might benefit someone else in the future. I ended up taking the car to my mechanic, who diagnosed it as having little to no compression. This obviously meant I would have to rebuild the engine or get a new one. So I ended up buying a salvaged engine off EBay. Thanks to Kane over at Evolution, he had instructions on how to remove the engine cradle. Once I pulled the old engine off the gearbox, I was able to see through intake and exhaust ports what had happened: the previous owner had cooked the engine. There was "chicken fat" congealed in the chambers where coolant had leaked into the combustion chambers.
Anyways, 9 months and a lot of procrastination after I bought the salvage engine, my little Smart is running perfectly! (if a bit loudly).
 
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