[V8] TPS? - Injector Seals

[Scott Simmons]

Is the TPS on this vehicle nothing more than a WOT switch?  Or is it a 
fully functional sensor (i.e. it has variable resistance based on 
throttle position)?

~Scott Simmons

Ed Kellock wrote:

>The TPS is just below the ISV right up front.
>
>Unplug your OXS and see if the 2k rpm flat spot goes away.
>
>I ran with my TPS unplugged for some reason once and the throttle was hair
>trigger at the point where the throttle just opened/closed.  After that
>position, there was not unevenness.
>
>Ed
>
>  
>
>>-----Original Message-----
>>From: v8-bounces at audifans.com 
>>[mailto:v8-bounces at audifans.com] On Behalf Of S_Matus
>>Sent: Monday, March 05, 2007 8:21 AM
>>To: V8
>>Subject: [V8] TPS? - Injector Seals
>>
>>
>>-- TPS?
>>
>>I have a deadspot in my throttle just above 2000 rpm.  It 
>>will fluctuate the rpms while continuing to depress the 
>>pedal.  Then it will resume to normal rpm / throttle position 
>>ratio at about 2300.  When the car is in this "dead" position 
>>it will buck violently.  If I press pedal quickly I can 
>>"overshoot" this dead spot.  It make for interesting driving 
>>experience.
>>
>>Is this a Throttle Position Sensor?  Where is it located and 
>>is it a costly part?
>>
>>Please advice that to do?
>>
>>-- Injector Seals
>>
>>I replaced the Injector Seals (all 16).  I was amazed at the 
>>loose fitting injectors in the intake.  There was a large 
>>amount of goo in and around the injector opening in the 
>>manifold.  This drastically improved the Idle and the 
>>perfromance from the engine.  I wish i had done this years 
>>ago.  The seals were no longer elastic, and I'm sure it was a 
>>vacuum leak.  Guys spend the $16 and replace these seals.
>>
>>Thanks,
>>Scott
>>'91 V8Q 5-speed
>>
>>
>> 
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