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JL1RX7 · 09-03-2016, 05:22 PM

I bought a S5 turbo awhile back. Started and ran like a champ for a few months. Then it started acting like it had no fuel when running, stalling out etc. Previous owner was a flipper who told me it had fuel pump replaced. From the condition of the tire's it looked like it sat in a garage for a extremely long time.

Well I could see that there was an extra unused factory patch cable which ran from the stock location to the pump. Other than that nothing looked like it was replaced. So I purchased a brand new factory pump kit.

Replaced said pump and now the car won't start period. I ran through all the FSM stuff, all OHM readings are within spec, as are voltage's. I have a few S5's so swapped out the main fuel relay and AFM with one that works. No joy.

Cleaned most of the grounds around the engine etc. Only things not replaced yet are plugs/wires.(look brand new) and fuel filter.

Completely out of places to look to see what could be causing this. Any one have any ideas?

09-03-2016, 05:22 PM	#1
JL1RX7 Rotary Fanatic Join Date: Feb 2008 Location: Front Royal, VA Posts: 487 Rep Power: 18	S5 Turbo Fuel Issues I bought a S5 turbo awhile back. Started and ran like a champ for a few months. Then it started acting like it had no fuel when running, stalling out etc. Previous owner was a flipper who told me it had fuel pump replaced. From the condition of the tire's it looked like it sat in a garage for a extremely long time. Well I could see that there was an extra unused factory patch cable which ran from the stock location to the pump. Other than that nothing looked like it was replaced. So I purchased a brand new factory pump kit. Replaced said pump and now the car won't start period. I ran through all the FSM stuff, all OHM readings are within spec, as are voltage's. I have a few S5's so swapped out the main fuel relay and AFM with one that works. No joy. Cleaned most of the grounds around the engine etc. Only things not replaced yet are plugs/wires.(look brand new) and fuel filter. Completely out of places to look to see what could be causing this. Any one have any ideas?