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05 Chev Express 6.0 Crank 1st crank no start, 2nd crank start. Stranded on vacat
If weather above 70 f Chev Express usually starts on first crank.
Over 70 or van already warm immediately starts on 2nd crank.
Shows no codes.
Parts swappers previously replaced: Fuel pump twice ($1,200), Fuel line connectors ($250), Ignition Switch ($200), Checked fuses ($50), Battery ($200). $1850 total, no resolution.
This morning started driving, went into limp mode. Seemed to run fine, just no throttle response. As I backed it in parking lot started running rough. Unfortunately I am 2,000 miles from home on vacation. Didn't bring my scan tool.
Now I'm a parts swapper. I am thinking to swap out throttle position sensor, crank position sensor.