Re: Audi A3 1.8 Turbo 1999 Very low power problem.
by "dave AKA vwdoc1" <vwdoc1nospam@[EMAIL PROTECTED]
>
Mar 8, 2008 at 08:45 PM
Was anything checked like the oil level? Might be too full.
Might be that N75 valve for the turbo.
Might be the Coolant Temperature Sensor.
Might be a clogged cat conv or exhaust.
Like TonyJ said, try to have it checked out.
I will assume that the fuel is good. ;-)
"TonyJ" <"tonyjnospam at nospam visi.com"> wrote in message
news:13t4ej5s4jq6t29@[EMAIL PROTECTED]
>
>
> Rangiawhia wrote:
>> This car has covered 102,000 kms and is in top condition. Suddenly, in
>> city
>> driving at about 50 kph power drops suddenly. As speed slows I selected
a
>> lower gear on the automatic which helped a little. After perhaps one
>> kilometer of spluttering along it was very difficult to coax along. In
>> neutral it will rev freely but it is very averse to much load. We
>> suspected an unburned fuel smell which would point to an ignition flaw.
>> The car will start but too power deficient to go anywhere after being
>> towed home. Is there anything us amateurs can check out / maybe fix
>> before
>> unloading vast quantities of $$$$$$$$ on the problem. This is my
>> daughter's
>> car which makes low cost repair highly desirable!! Any advice greatly
>> appreciated.
>>
>> --
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>>
>>
> If you can find someone with a VAG system to pull the error codes you
will
> be able to narrow down the problem.
>
> But just guessing, things I would suspect are:
> - large vacuum / boost leak in the intake between the turbo and the
> throttle body
> - broken timing belt tensioner causing the belt to slip. If this is the
> case running the engine at all is very likely to destroy it completely.
> - one or two failed coil packs (likely due to the fuel smell)
> - Failed waste gate actuator possible but wouldn't cause this much loss
of
> power
>
> It is probably a high risk to drive it at all until the codes are
> available to diagnose.
>
> Call a recommended independent Audi mechanic. Do NOT take is to a
general
> shop that is not familiar with Audi