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sprinkles08
sprinkles08, ASE Certified Technician
Category: Car
Satisfied Customers: 22534
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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tl: 1999 Acura 3.2 TL has an intermittent problem re-starting

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1999 Acura 3.2 TL has an intermittent problem re-starting when I stop...go into a store for 10-15min...and return to leave. The engine cranks over and attempts to run, but struggles and sputters like fouled plugs or too much fuel. If you touch the accelerator pedal the engine stalls. Most times this does not happen. I have to tap the accelerator then push accelerator to get car moving.
Hello and welcome to JustAnswer!

It sounds like you're describing fuel pressure bleedoff. When the engine is hot and you park the car it can actually cause the fuel in the rail to boil. If the check valve in the fuel pump is weak this raised pressure in the rail can actually push fuel back to the tank and out of the rail.

This leaves you with two problems. There will be less or no fuel in the rail and lines, and there is fuel vapor in the rail. This will cause your hard start and rough running because the pump has to run long enough to bring fuel to the front, and it starts hard/runs rough because it's injecting fuel vapor instead of actual fuel.
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Customer: replied 4 years ago.


thank you, XXXXX XXXXX check this out

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