You said you changed the throttle ?bodies/sensors? - I think they need a dealership specific tool to be re-learned (i.e., not just an at-home reset or autozone scan tool reset), don't they?
I had the exact same experience when I asked him what brands he stocked and what the date codes were ... so I just went and bought from Tirerack; they had no question answering my questions ¯\_(ツ)_/¯
Built engine
I don't blame ya ... remote diagnosis is never fun ... now that it's working again all I can do is wait and watch for anything funny. But if something mechanical changed, you'd think there would be symptoms at either cold start, idle, cruise or WOT .... so weird that everything...
Battery is only a year old (although since batteries are crap today I guess that doesn't mean much) and cranking/operating voltages seem as they've always been, but I will keep that in mind if I put in a new battery and it goes wonky
in-tank Walbro fuel socks and inline 10 micron Aeromotive...
That's where mine's attached to. I don't see any issues with it.
What they might be referring to is if you use a ring terminal on the + stud rather than the alligator clips. If you use a ring terminal you have to spin the nut off the + stud, which can cause the stud to spin and short your...
then re-loading it would have fixed the issue (it didn't). With my new revised tune (reduced cranking fuel) cars starts up perfectly. If I re-load my original dyno tune from a year ago, it goes back to refusing to start. Re-load my new revised tune and it starts up perfectly.
I know - it's all very weird.
The initial adjustments Torrie made pulled back startup fuelling a little bit, which meant that instead of having to hold the pedal to the floor to restart it I could just feather it and it would start. He made additional startup fuelling adjustments and now it...
No difference
So far what I've found is that on cold and semi-cold starts there is no issue (fires up right away).
Once water temperature is around 100*ish or so, then it will just crank and no start. If I floor it while cranking it starts up immediately (initially thought this meant I was in...
Some progress today, I'm just not sure what it means.
Car sat overnight. Started up on first crank, idled fine. I did on/off several times, no issues.
Drove it up/down my driveway then off/on several times, no issues.
I let it warm up to just before the fans turned on, no issues...
It idles fine and fuel trims look fine so I don't think it's a vaccum leak. Last times I've had vacuum leaks either the idle was super high and/or short-term fuel trims were really off (like +/-25%). And all hoses are connected and visually look fine
Ground doesn't make sense because the...
2001 viper w/ built engine and paxton. Fuel system is double RSI in-tank (2x walbro 267), external Weldon regulator, 80lb bosch injectors. Car was dyno tuned by Torrie ~2yrs ago (HP Tuners + stock ecu) and has run flawlessly since but today decided to "break".
If I try to start the car it...
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