po23 and 71 code 94 sts
#1
09-20-2007, 05:55 AM
po23 and 71 code 94 sts
I have a 94 sts with 150000 miles on it. The car looks great and up untill recently has been running well. Every so often I have a bad miss and my idle jumps up and down. I've had these two codes come up My local mechanic has had no luck. Can anyone help me?
#2
09-20-2007, 06:36 AM
RE: po23 and 71 code 94 sts
P023 (E023) ..................... Electronic Spark Timing (EST) Signal problem [EGR]
P071 (E071) ................................................ Intermittent MAP Signal
P071 (E071) ................................................ Intermittent MAP Signal
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