[V8] TPS & Not-so-smooth Engine

Dave Head v8q at bellsouth.net
Wed Feb 18 12:29:46 PST 2009


Look for a Bosch number on the TPS. If there is another number than 
443xxx etc, that's the Bosch number.

Samuel Mrowka wrote:
> 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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