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Inconsistent Problems: “The Christmas Tree of Death”.

105K views 419 replies 76 participants last post by  Alfanut  
I really can't see this being a fuel gauge sender issue, a fuel gauge works by measuring resistance, I don't know the figures as I am in the middle of breakfast but full will be say 1000 ohms and empty will be 0. So if the wire breaks it will read full and if it shorts out empty, it wouldn't do much more than that!
The resistor could be partially shorted, is there some type of redundancy in the circuit that could be causing havoc?
 
How many times is that, Racer? I think we need to grab our pitchforks and storm the castle.....,er, factory. We can whip lemons at Sergio until they come up with a reasonable solution. I bought my car late in the season and didn't put a ton of miles on it, and after keeping tabs on our ULDTM (unofficial long-distance test mule=RacerZ) I'm a little nervous. I was hoping to take a road trip to the east coast from Chicago at the end of July but now I'm worried about finding a flatbed in the hinterlands of Maine.

Good luck Racer, let us know if we, as a collective can do anything.
 
Hmm, now that's an idea. I could trailer my 4C around everywhere I go. I have the truck and the 4C, all I need is the trailer. Backing up the trailer isn't any more difficult than backing up the 4C. I could say, "I'm taking her in for custom work." I'd have a 4C with lots of zero mile road miles.
You would need a Spider to sit in so you could feel the wind in your hair while your wife drives the trailer.

Back on topic how about a 550 Spyder replica built with a Porsche drive train?

Elise is similar but a lot tougher to live with.

I don't like the cars but Mazda had a couple neat concepts based on the MX-5 ( the one my mom had was called a Miata :wink2:) a Spider and a Speedster. Unfortunately they kept that weak ass motor in them.
 
Does anyone know if/ when they got all new transmission from Alfa if Alfa replaced the BCM computer as well? Is that a part that has ever been replaced during the trial and error stage of fixing the transmission before the actual transmission was actually replaced?
Here is something else to consider. I find it unusual not to have the problem in automatic mode. If it is in fact a mechanical transmission issue it will occur regardless of what mode you are in (obvious). It has to be something computer or software wise. When you drive in automatic mode the onboard computer (BCM) that monitors and runs the transmission has preset tolerances and commands depending on the conditions and what the driver is telling the car to do. For Instance it will upshift and downshift depending on speed and RPM etc.…. It is really hard to stress or exceed those predetermined variables/tolerances in automatic mode because the computer is going to do what it does based on a predetermined set of variables programed into it.
In manual mode you have the ability to exceed/stress those tolerances that are preset for the transmission and also do things at RPMS speeds etc.… that you can’t do driving in automatic mode. I am wondering if while driving in manual mode if there are times you are telling the car to do one thing and the onboard computer is telling something else so as a result they contradict each other and the computer quits responding or telling the tranny what to do. Hence you get locked out of manual.
Does any of this make sense or am I just rambling on at this point? I am about 5 beers in…..
I am 3 martini's in and what you're saying makes even more sense
Eliminate the impossible whatever remains, no matter how improbable, must be the truth!