Oh we have a fun HEAD SCRATCHER to diagnose this weekend!
Just a run-of-the-mill 2000 GMC Sierra 5.3 LS V8....
Customer says that it's a CRANK NO-START, but then you cycle the key, wait a minute, and it fires right up and runs great!!
WHAT?? HOW??
Sure enough, the CRAZY customer complaint is very accurate.
Moderate Chevy Parts Cannon has been unleashed, so buckle up.
Let's start with the basics...should be a walk in the park, right?
WRONG!
S.U.R. & R. FPT22 Deluxe Fuel Injection Pressure Tester Kit:
https://www.amazon.com/dp/B004IJOLPE?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B004IJOLPE&asc_item-id=amzn1.ideas.2RG42J5VNKKTV&ref_=aip_sf_list_spv_ofs_mixed_d_asin
TOPDON Phoenix Plus 2:
https://www.amazon.com/dp/B091BQNR3S?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B091BQNR3S&asc_item-id=amzn1.ideas.NHZL00NIDEPF&ref_=aip_sf_list_spv_ofs_mixed_d_asin
Enjoy!
Ivan