Go to a Junk Yard and get one off of one of these I hope this helps you out.
BUICK CENTURY CUSTOM (1992 - 1996)
BUICK CENTURY LIMITED 1992
BUICK CENTURY SPECIAL (1992 - 1996)
BUICK LESABRE CUSTOM (1992 - 1997)
BUICK LESABRE LIMITED (1992 - 1997)
BUICK PARK AVENUE (1991 - 1997)
BUICK PARK AVENUE ULTRA (1991 - 1997)
BUICK REATTA 1991
BUICK RIVIERA (1991 - 1997)
BUICK SKYLARK 1992
BUICK SKYLARK CUSTOM 1993
BUICK SKYLARK GRAN SPORT (1992 - 1993)
BUICK SKYLARK LIMITED 1993
CADILLAC DEVILLE 1991
CADILLAC DEVILLE TOURING 1991
CADILLAC FLEETWOOD 60 SPECIAL 1991
CHEVROLET CAMARO RS 1991
CHEVROLET CORVETTE 1991
CHEVROLET CORVETTE ZR-1 (1991 - 1995)
CHEVROLET G20 SPORTVAN 1991
CHEVROLET G20 VAN 1991
CHEVROLET G30 SPORTVAN 1991
CHEVROLET G30 VAN 1991
CHEVROLET LLV 1990
CHEVROLET LUMINA APV (1992 - 1994)
CHEVROLET S10 BLAZER 1990
CHEVROLET S10 PICKUP 1990
GMC G2500 VAN RALLY 1991
GMC G2500 VANDURA 1991
GMC G3500 VAN 1991
GMC G3500 VAN RALLY 1991
GMC G3500 VANDURA 1991
GMC S15 JIMMY 1990
GMC S15 PICKUP 1990
OLDSMOBILE 88 ROYALE (1992 - 1997)
OLDSMOBILE 88 ROYALE LS (1992 - 1997)
OLDSMOBILE 88 ROYALE LSS 1995
OLDSMOBILE 98 REGENCY (1992 - 1994)
OLDSMOBILE 98 REGENCY ELITE (1992 - 1995)
OLDSMOBILE 98 REGENCY TOURING (1992 - 1993)
OLDSMOBILE ACHIEVA * (1992 - 1995)
OLDSMOBILE ACHIEVA SC (1992 - 1994)
OLDSMOBILE ACHIEVA SL (1992 - 1995)
OLDSMOBILE CUTLASS CIERA 1992
OLDSMOBILE CUTLASS CIERA CRUISER * (1992 - 1994)
OLDSMOBILE CUTLASS CIERA CRUISER SL (1992 - 1995)
OLDSMOBILE CUTLASS CIERA * (1992 - 1994)
OLDSMOBILE CUTLASS CIERA SL (1992 - 1996)
OLDSMOBILE LSS (1996 - 1997)
OLDSMOBILE REGENCY 1997
OLDSMOBILE SILHOUETTE (1992 - 1995)
OLDSMOBILE TORONADO 1991
OLDSMOBILE TORONADO TROFEO 1991
PONTIAC BONNEVILLE SE (1992 - 1997)
PONTIAC BONNEVILLE SSE (1992 - 1997)
PONTIAC BONNEVILLE SSEI (1992 - 1993)
PONTIAC FIREBIRD 1992
PONTIAC GRAND AM GT (1992 - 1994)
PONTIAC GRAND AM SE (1992 - 1994)
PONTIAC TRANS SPORT (1992 - 1995)

wow.that was simple. i like a simple web ite for parts.thanks.

even cooler!!

Well best of luck to you and I hope you get your ride fixed real soon.

to the junk yard! think yhat will solve the code 21 ?

It should unless the tps is bad as well.

Here try this
https://www.gmforum.com/trouble-shooting-test-procedures-141/throttle-position-sensor-tps-signal-voltage-284385/

Also this one to
https://www.gmforum.com/trouble-shooting-test-procedures-141/testing-tps-throttle-position-sensor-279319/

Where are you from?

i got a 3.46 reading