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Thread: injector Circuit breaker??
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02-08-2018, 03:48 PM #1LTX Master
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injector Circuit breaker??
Where is this located at??
BEAVER
94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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02-08-2018, 07:30 PM #2LTx Guru
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Just 7.5 amp fuses. #9 and #10 in the under hood box.
SOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.
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02-09-2018, 10:11 AM #3LTX Master
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Thanks
Sent from my SM-G930R6 using TapatalkBEAVER
94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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02-09-2018, 07:31 PM #4LTX Master
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The fuse was good I got a code saying injector circuit breaker. So where else could I look
Sent from my SM-G930R6 using TapatalkBEAVER
94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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02-09-2018, 09:09 PM #5LTx Guru
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We’re BOTH fuses good?
DTC code 18 is NOT for "injector circuit BREAKER", it’s for "injector circuit". That means the voltage on one (or more) of the 8 injector circuits is not correct.
- Each injector connector should have 12 volts on the pink wire, with key on. Check with a volt meter.
- Each injector should have a resistance of ~12-16 ohms. Measure resistance across the 2 injector pins with an ohm meter, connector off the injector.
- The PCM supplies a ground to fire each injector. The best way to check this, with the engine running, is a noid light.
PCM/injector wiring diagram (94 is the same as 95):
http://shbox.com/1/1995_pcm3.jpgSOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.
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02-10-2018, 02:02 PM #6LTX Master
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03-03-2018, 06:30 PM #7LTX Master
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I got all problems fixed. I replaced the PCM and all is good. No codes no service engine light. Takes full better n idols better.
Sent from my SM-G930R6 using TapatalkBEAVER
94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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