TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Fuel Pressure

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Old Jun 30, 2001 | 08:39 PM
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cdsalo's Avatar
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Default Fuel Pressure

When I start our 225 TTR after it has been sitting for several days, the engine does not start immediately. I think the fuel pressure has bled off. It does start after the engine cranks for awhile. The problem then does not happen again until the TT has been out of service for a time. Should I be concerned?
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Old Jun 30, 2001 | 09:00 PM
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When you switch on you should wait a few seconds for the system to re-pressurize. Do you?
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Old Jun 30, 2001 | 09:01 PM
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Default I would be . . .

I have had my car sit for a few weeks and then it starts right up. Never had a fuel delivery problem such as you describe.

Next time you let the car sit for a while, check to see how charged the battery is before starting. I remember when the TT first came out a few people fell victim to weak batteries, not saying that is your problem, but had not heard of a fuel problem with the TT other than the sending units going bad. They keep delivering fuel, but give a false reading as to how much fuel is left.
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Old Jul 1, 2001 | 03:44 AM
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Default I noticed the same thing. Seems to have stopped doing it if I wait for the OK light to come on

rather than an immediate crank. Although I have never had a vehicle do this, my presumption was that the design was such that it was a fuel delivery issue solved by giving the fuel pump a moment to do its job.
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