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Same problem with a 2010 camaro 3.6. New high pressure pump…

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Same problem with a 2010...
Same problem with a 2010 camaro 3.6. New high pressure pump and engine will start for a second if left to sit for a while. .5 Mpa fuel pressure showing at rail pressure sensor. 111k on the clock. Car was a no start, had broken rockers, bent valves, at first and now has rebuilt heads. Also replaced the rail pressure sensor and it has no codes. Any help would be appreciated
Submitted: 10 months ago.Category: Chevy
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Answered in 11 hours by:
9/30/2017
Chevy Mechanic: Chris (aka-Moose), Technician replied 10 months ago
Chris (aka-Moose)
Chris (aka-Moose), Technician
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Will it run on alternate fuel sprayed into the throttle body?

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Customer reply replied 10 months ago
Well I pulled the o2 sensors and it seems to start for a second and then die. The start of this was a non running vehicle with broken rockers and now the heads are repaired and back together but it's possible the cats were the cause of the broken rockers maybe? Now it's developed a new problem where it won't turn over and the check engine light is just flashing so I can't even spray ether to see if it will run. Last code it threw before doing that was a p0336 crankshaft code and didn't throw anymore fuel pressure codes or anything. I've put freshly charged batteries in it and still the same with not turning over and check light flashing rapidly
Chevy Mechanic: Chris (aka-Moose), Technician replied 10 months ago

DO you know which codes are stored now?

Are there 2 pins with power at the removed starter relay when trying to start?

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