LT1-LT4 Modifications 1993-97 Gen II Small Block V8

scanned my 94 z28 today need some help identifying codes

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Old 02-22-2010, 02:57 PM
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Default scanned my 94 z28 today need some help identifying codes

hey guys i scanned my car today and got some codes im trying to figure out maybe some of u can help: DTC-
45 O2 RICH
44 O2 LEAN
43 ELECTRONIC SPARK CONTROL FAILURE-I HERD ITS A KNOCK SENSOR
42 TIMING FAILURE
54 FUEL PUMP RELAY MALFUNTION-???CANT SEEM TO FIGURE THIS ONE OUT
51 PROM ERROR


thanks guy for any input u may have
Old 02-22-2010, 03:16 PM
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Let me start by asking you if your car runs...

I would clear all of the codes by pulling the PCM/BAT fuse and see which ones reoccur.
Old 02-22-2010, 03:32 PM
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If you want a real list of codes, click the link in my signature.

54 is not even a valid 4th gen f-body code.
Old 02-23-2010, 11:02 AM
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Yes my car runs and I used a innovia can obd1 and 2 scanner I'm tellin u this is what came up... I wouldn't be wastin ur time and mine if I wasn't serious
Old 02-23-2010, 11:31 AM
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Originally Posted by Z4U2H8
Yes my car runs and I used a innovia can obd1 and 2 scanner I'm tellin u this is what came up... I wouldn't be wastin ur time and mine if I wasn't serious
Perhaps there's something wrong with the scanner then. Like shoe mentioned, there's no code 54 for f-bodies.
Old 02-23-2010, 01:49 PM
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is there any code for a fuel pump relay malfunction?
Old 02-23-2010, 05:36 PM
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Originally Posted by Z4U2H8
is there any code for a fuel pump relay malfunction?
Nope.



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