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Thread: 94 lt1 idling problems HELP!!
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03-14-2013, 04:14 PM #1
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94 lt1 idling problems HELP!!
i run scan using datamaster and it pops up dtc's 22 33 42 48 63 83 and 85..please help me get this fixed
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03-14-2013, 04:56 PM #2
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22 - TPS voltage low
33 - MAP sensor, signal voltage high, low vacuum
42 - Ignition control circuit, short or grounded
48 - MAF sensor circuit...plug your maf in....can see that in the vid
63 - Bank 2 (right) O2 sensor, open circuit
83 - (M6) Reverse inhibit system
85 - Transmission TCC stuck "on"
are you sure nothing else is disconected or any damaged wiring?1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
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03-14-2013, 05:05 PM #3
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the MAF is unplugged because one of the wires on it is broke off too close to plug in having to buy a new pigtail for it..and yeah thats all thats unplugged on the car..oh its an auto car forgot to mention
Originally Posted by Ray@NitroDaves.com
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03-14-2013, 05:25 PM #4
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check all of the wiring around the (guessing) pass side exhaust...make sure nothing is damaged...thats alot of codes....I tend to look for what all of them have in common to start with
1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
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03-14-2013, 05:41 PM #5
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oh another thing on my coil pigtail..there is a white wire just hanging there it looked like it may have been a spliced wire but cant find another wire it woulda been spliced too..any ideas where it goes?
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03-14-2013, 07:08 PM #6
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http://shbox.com/1/95_ign_system_schematic.jpg
there is the ignition system wiring diagram...verify wire color and pin location and repair as needed1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
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03-14-2013, 07:57 PM #7
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Look out for fried wiring...i had just the opposite....my driver side header cooked some wires....
The people that did my header install were idiots...
I learned after that....DO IT YOURSELF!!!Last edited by brandons94lt1; 03-14-2013 at 08:00 PM.
94 FIREBIRD FORMULA A4: art carr transmission &2200 rpm stall, custom cam, 1:6 R's, shock tower brace, CAI, Pacesetter LT's & OR Y pipe, cat delete, lowered 2.5in, Eibach spring kit, JSEsway bars, X-brace Sfc's, adj LCA'S, adj TA, adj PHB, koni adj shocks, poly bushings. Lots of other pieces.
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03-16-2013, 12:37 AM #8
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checked all wires today..suprisingly NONE of them was burnt..at a loss once again
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03-17-2013, 10:59 AM #9
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changed the tps on it today..totally different car now heres some runs..ima post some videos..you all tell me if a 2500 stall would help
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