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Re: 94 z28 lt1 shuts off
Would you care to tell us the model and manufacturer of the scantool?
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Re: 94 z28 lt1 shuts off
Just to emphasize the importance of reading the codes FIRST, this is what the code description for DTC 46 indicates:
DTC 46 will set and the engine will stall if the proper signal is not being received on CKT 229 by the PCM after 1.7 seconds. DTC 46 does NOT turn on the SES light. |
Re: 94 z28 lt1 shuts off
when I scanned it, it was set on the year 1991 and that's the code I got with it DTC 47, when I realized it was on the wrong year I changed it to the year of my car 94, the reader keeps saying to check cable and now will not connect, just at work will check make and model of the reader after work
cheers |
Re: 94 z28 lt1 shuts off
Originally Posted by Injuneer
(Post 6987961)
Just to emphasize the importance of reading the codes FIRST, this is what the code description for DTC 46 indicates:
CKT 229 ia a dark blue wire from the theft deterrent module to the PCM pin A25, and supplies the 50Hz signal the PCM is looking for in order to enable the fuel system. DTC 46 does NOT turn on the SES light. |
Re: 94 z28 lt1 shuts off
DTC 47 indicates the knock sensor module is missing, or circuit is bad. But if you had the scanner set to the wrong year/engine, it may not be valid.
Answer Gary's question. We're trying to help, but you have to cooperate. |
Re: 94 z28 lt1 shuts off
ok just got home from work the code reader is innova 3120
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Re: 94 z28 lt1 shuts off
and its got 12 pins
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Re: 94 z28 lt1 shuts off
Innova 3120??? Now where have I heard that before... Oh yes, I wrote a scathing review on it. It won't work on your car despite what anyone says.
Innova 3120d OBD1/OBD2 scanner - review - ECM/PCM Product Reviews - Firebird Nation I found a work-around to reading the correct trouble codes but it's a bit tedious. See the above topic, posts 6 and 7. |
Re: 94 z28 lt1 shuts off
got it all back together with a new optispark, hasn't shut off yet but now my car is overheating, it didn't overheat before so now what
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Re: 94 z28 lt1 shuts off
Sounds like the air hasn't been fully bled from the cooling system.
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Re: 94 z28 lt1 shuts off
Originally Posted by donkey77
(Post 6988048)
got it all back together with a new optispark, hasn't shut off yet but now my car is overheating, it didn't overheat before so now what
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Re: 94 z28 lt1 shuts off
forgot about the bleed valve its all good now, took it for spin ran strong didn't shut off once, so i'am hoping this has fix the problem, I'll take it for a longer ride tomorrow,
thanks everyone for your help cheers |
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