[V8] TPS & Not-so-smooth Engine

[Samuel Mrowka]

You seem to imply there's a difference in manual cars. Does the throttle
sensor have any additional functionality on a manual car? I should have
specified earlier that it's a factory 5-speed I'm working on.

Thanks,
Sam

On Wed, Feb 18, 2009 at 1:04 PM, Tony and Lillie <
tonyandlillie1 at earthlink.net> wrote:

> On an automatic car, the TPS is only used for transmission functions, other
> than full throttle and idle signals.
>
> The first things I'd check are the connections on the TPS, MAF, and unplug
> teh O2 sensor, and see what, if anything, changes. If you do end up needing
> a TPS, I'd suspect Ron may very well have one, and I may if I do some
> digging for that matter.
>
> Tony
>
> ----- Original Message ----- From: "Samuel Mrowka" <smrowka at gmail.com>
> To: <v8 at audifans.com>
> Sent: Wednesday, February 18, 2009 10:05 AM
> Subject: [V8] TPS & Not-so-smooth Engine
>
>
>  Where can you buy a new throttle position sensor? Are they only sold at
>> the
>> dealer?
>>
>> Also, what other components should I check for a PT engine with these
>> symptoms:
>>
>> 1. Greatly increased fuel consumption (only 200 miles a tank).
>> 2. Hesitation, in the 1000 - 2500 RPM range (most noticeable on gear
>> changes), unless the throttle is greatly increased.
>> 3. Stuttering, in the same RPM range, unless the throttle is greatly
>> increased.
>> 4. Often frozen trip computer/MPG indicator.
>> 5. Sometimes, complete power loss unless the throttle is increased
>> slightly.
>> Then, a huge, and sudden, jolt of power when the throttle is increased.
>> This
>> problem often disappears with a restart
>>
>> The full-throttle power is there. The car has no issues with starting and
>> also the idle is completely normal.
>>
>> Thanks,
>> Sam
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>