how can i know if my fuel pump is going bad on 1995 Cadillac Seville SLS

1995 cadillac sls car idols rough and stall when i let off the throdle, i feel the gas pedal excelarating when sitting in traffic

Asked by for the 1995 Cadillac Seville SLS
A leaking EGR valve is a common problem which could cause your 1995 Cadillac Seville SLS to stall. A scan toll may be necessary to confirm this. If the Check Engine Light is on that would indicate that fault codes are stored. Any stored codes should be retrieved and diagnosed.
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I have same problem with my 1995 caddy seville sls! not sure what poblem is but was told it was the (TPS) throttle position sensor! stalls on acceleration & gas pedal moves upon deacceleration! also idles erradic and smokes.