Previous thread:
http://986forum.com/forums/general-discussions/43943-wont-start-dropping-oil-level.html
We determined the fuel pump was faulty as the plug itself had power to the pump, but when power was applied to the pump nothing happened.
After having Brumos overnight a pump for me (ended up being cheaper than Pelican), I installed it on Saturday evening. Success! Started up and drove wonderfully. Did a few startup cycles with no issues.
This afternoon I went to go buy groceries and... it just cranked.
I only drove 13 miles between the new pump until it was parked in my garage and it's doing the same thing again.
Checked the fuel rail, no pressure. Fuses are good. Bypassed the fuel pump relay, nothing. Swapped the ignition switch, no improvement. However, the DME relay and fuel injector relay (#1 and 2 on the rear relay panel) get warm/hot when cranking. Swapped those relays to no change either.
I'm stuck, guys. What are the odds that there is a short somewhere and it fried the new pump (I hope not!
)? Out of ideas on what else to really look into as the same issue (cranks but doesn't fire) came back so soon.
Update: Replaced sending unit (w/ internal fuel filter) and fuel pump with used examples, drained the gas tank completely, and refilled with fresh 93 octane. Problem solved. Old fuel in the tank smelled old, not as pungent as fresh gas does - likely a contributor to the failure.
Related threads:
http://986forum.com/forums/general-discussions/43943-wont-start-dropping-oil-level.html
http://986forum.com/forums/general-discussions/44258-still-doesnt-run-help.html