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Discussion Starter · #1 ·
hello,
I have a worry on my Aston Vantage 4.3 in 2006 that nobody can solve.

Here's the problem: Following a doubt about the power of my car, I made it past the bench and two things emerged.
First is a lack of horsepower and torque huge
Second air-fuel mixture too rich from 4000 rpm in a manner dangerous to the engine.

Following this, I brought my Aston Aston Martin in a garage that has tested the following:
- cylinder compression
- air inlets
- Exhaust
- Spark plug
Everything is perfect and I do not know what to do and what items to monitor.
I was talking about the problem might come from a vacuum hose or a loss of sealing of a hose, but I found nothing.

Anyone have a idea?

In advance, thank you all;)

Vincent
 

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Hi Vincent, Just a few questions.

Is there a lack of power when the engine is cold / from startup?

After driving for long enough to fully warm up the engine, what position does the engine temperature gauge show and does the heater blow hot air?
 

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Discussion Starter · #5 ·
Hello,
I removed the catalysts sports and everything is ok:)
By cons, big problems ... the car, entirely original configuration, only outputs 320 hp engine (278 hp to the wheels) and a torque of 361 Nm
Someone with an idea of the problem? There is no error code.
Thanks

Vincent
 
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