1998 Taurus, 3.0L V6 2V
Engine running at operating temp, tranny in drive, brake applied, rpm around
800 (1000+ in neutral):
The engine intermittently surges at idle. No MIL, no codes. Scan tool shows TP
sensor at 17% (with no throttle applied).
Engine off, key on, back probe the TPS connector:
VREF = 5.05V
TP = .91V at 0° throttle opening
TP = 4.6V at 100° throttle opening
TP sensor table in book shows .65V at 0° throttle opening, but can be up to 15%
Question: is the TPS bad?
remove all "f"'s from address