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01-12-2017, 08:59 AM #11
LTX Regular
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Problem 1. Car ran for 3 mins then died and now it only cranks.
Solution 1. As already stated check fuel pressure then report back.
Problem 2. No tools
Solution 2. Rent tools at local Auto Parts Store to test fuel pressure.
Post up what you find out and Good Luck!355 LT1 Turbo, Ported TFS heads, LE Ported Intake, LE cam, 80lb inj, Dual pumps 340 & 320lph on e85, etc.....
www.fquick.com/SleepyZ
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01-12-2017, 10:48 AM #12
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- tray stinson
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Got you
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01-12-2017, 12:35 PM #13
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Dont have money right now to get pressure checker. But I smell gas iut the pipe and see sime exhaust. But my a and d terminals on my icm harness has no volt.
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01-12-2017, 01:04 PM #14
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Check coil, opti, your main ignition fuse and ALL ignition wiring. You've found why its not running - now you have to figure out why its happening.
Originally Posted by bigontray
The fuel pressure tester can be borrowed from Autozone or Advance auto for a $25 deposit.Last edited by atlantadan; 01-12-2017 at 01:06 PM.
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01-12-2017, 01:08 PM #15
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O ok ciol
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01-12-2017, 01:09 PM #16
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How do u check the coil
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01-12-2017, 01:59 PM #17
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Last edited by atlantadan; 01-12-2017 at 02:05 PM.
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01-12-2017, 02:14 PM #18
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Fuse, computer, or opti Originally Posted by bigontray
Sent from my SAMSUNG-SM-G935A using TapatalkLTX Hoarder
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.64 @ 139.4mph on a 88 jet
1994 Camaro Vert - SBE LE1 Summit 8802 Cam - The Cruiser
1993 Camaro Z28 - 355 TC78 Turbo T56 - part out? finish?
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ P600B / CPT Ultra Pro Race 4L60E/Holley Terminator EFI/little huff of spray
10.16 @ 138mph. Shooting for 9.99 for Frank/Gail Cahall!
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01-12-2017, 02:44 PM #19
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Ok checjed a and d terminal on harness going to icm I have no volts coming from a and d. I do for b and c though. Put car in diognostic mode.
And agot codes under 03.... they were 61 62 161 and 162Last edited by bigontray; 01-12-2017 at 04:55 PM. Reason: wrong nunber
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01-12-2017, 05:35 PM #20
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On the ICM, pins A and D are 12V DC, supplied by a fuse. Check the fuse. On an F-Body it's under the hood... don't know about the B-Body.
Pin C is a ground. It should not have any voltage on it (if you put one lead of the meter on pin C, where did you put the other lead?). Measure ohms from pin B to a good ground. Should read close to "0" (key off).
Pin B is the pulse signal from the PCM that tells the ICM to fire the coil. Did you measure it with the engine cranking? You have to measure that with the AC Volts scale. What value did you get?
http://shbox.com/1/4th_gen_tech2.html#opti_test
What year PCM are you using? 2-digit codes would appear to be OBD-1. OBD-2 are 3- and 4-digit codes.
How did you put the PCM in diagnostic mode? What scanner did you use? DTC 61 is for the A/C system, there is no DTC 62 for an F-Body, is there one for a B-Body?Last edited by Injuneer; 01-12-2017 at 05:42 PM.
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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