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Engine/fuel issue.

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Old Mar 26, 2019 | 06:53 PM
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Axiom996
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Default Engine/fuel issue.

I have owned my 03 C4S going on 8 years and appreciate this car more and more. As a kid I was fortunate enough to have a father that had a passion for cars....some of which were (to name a few) a Jag XKE convert & coupe, Maserati Bora & Khamsin, Lotus Esprit, then came the Porsches (83 911 SC, 86 Carrera, 81 928, 88 911 turbo look Targa (my favorite) which is why I am a die hard fan and wouldn't buy any other sports car. He always said the Porsches are all around best for reliability and practicality.
I never bought into the bad rep that the 996 has. it is by far a better car than the air cooled 911's. I get the nostalgia and the only true 911 are pre water. But I put thousands of miles on those cars and in my humble opinion the 996 is exceptional in every way. I still love those 911's but the cost now to purchase them is absurd hence the 996 is such a deal.
That being said (sorry for the long intro) my 996 has an issue which I can't figure out nor my indy....partly because it happens so infrequently, when he drives it it of course it doesn't miss behaves. Sometimes when I'm driving I can put the pedal to the boards and the the engine doesn't perform it doesn't react, rpms climb very slowly and the car barely accelerates. This could last up to a minute or so then the next minute perfectly normal like nothing happened. I'm embarrassed to say this has been going on for the Last 7 years.
Any suggestions would be greatly appreciated. Thanks!
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Old Mar 26, 2019 | 07:27 PM
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Ahsai
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Welcome to Rennlist! Have you scanned the car for any error codes on the engine and ABS/PSM modules? Is it a stick shift or a tiptronic?
It would be good to attach a fuel pressure gauge to the fuel rail somehow (or a fuel pressure sensor) so you can monitor the fuel pressure in real-time while you drive. Then you can see if it's a fuel issue when the hiccup occurs. What you described sounds quite serious because you said the engine doesn't respond despite you flooring the gas.
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Old Mar 26, 2019 | 07:53 PM
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Axiom996
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Hey Ahsai, thanks or the help. My mech ran the computer for codes but nothing came up. And yes It is a manual. If you ever driven something with a governor it's feels like that it goes but its restricted like. Maybe a better way to describe it would be running on 3 cylinders.
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