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Old 10-31-2011, 07:20 PM
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Had Truck Scanned need input on codes

1996 7.3 Auto

P1705 Not in P or N (i figured probaly neutral saftey switcb)
P1272 Cylinder 2 B High to Low Side Open
P1274 Cylinder 4 E " "
P1293 High Side Open Bank #1 Right
Is this talking about the front two passenger or driver injectors? Could this just beeb a wiring problem?
Truck runs fine has a slight hesitation at times under WOT just when you first floor it. ICP was between 570-585psi at idle, hit the high idle it jumpes to 605psi then back to about 580. Gonna do a few part throttle and WOT psi checks tomorrow. Any help would be great
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Old 11-01-2011, 07:55 AM
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bump, anyone git anything
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Old 11-01-2011, 04:40 PM
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buzz test the injectors and then do a balance/cyl. contribution test, let me know what you get from that
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Old 11-01-2011, 05:11 PM
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i went ahead and ordered a UVCH, after i cleared the codes only things popped up on any of the tests was the P1293, the P1272-1274 came from a few days ago when i acidentally left the front driver UVCH unplugged.

on the good side ICP held a steady 2500+psi at WOT i was getting worried with the odometer getting ready to roll 400k she'd be getting weak, but all is good for now
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Old 11-01-2011, 05:43 PM
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ill do anither contribution test tomorrow, on the buzz test it does one multiple loud one, the the other 8 buzzs sound identical.
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Old 11-01-2011, 06:26 PM
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the buzz test is strictly electrical but that also means dont bother anymore with the UVCH connections, they are good

follow up on the contribution test
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Old 11-01-2011, 06:29 PM
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oh and to answer your earlier question, the drivers side is 2 4 6 8 starting from the fan... if you end up pulling them remember which one came out of #8 hole so it goes back

signing off for now
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Old 11-02-2011, 09:13 AM
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onky thing on contribution test was P0186 oil pressure sensor, done another buzz test and only thing was P1293 High Side Open Bank #1
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Old 11-02-2011, 10:13 AM
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just got UVCH off on the drivers side, eveeything lookes fine. i went ahead and swapped it for the new Dorman set. could both #2 & #4 injectors be bad or do i have another problem?
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Old 11-02-2011, 11:41 AM
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ok changed driver side UVCH out for peace of mind, cleared the codes and here's what i got:
PCM KOEO Codes:
P1705 - Not In P or N
P1293 - High Side Open Bank #1

PCM KOER:
P0476 - EXHAUST PRESSURE CONTROL VALVE
P1705 - NOT IN P OR N

CYLINDER CONTRIBUTION:
P0196 - ENGINE OIL TEMPERATURE SENSOR

INJECTOR BUZZ TEST:
P1293 - HIGH SIDE OPEN BANK #1 (RIGHT)
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