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 Re: No Fire, ( all of a sudden???)
[Re: conner]
#587393
04/02/05 06:39 PM
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Anonymous
Unregistered
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By testing the transistor that way, does that mean the transistor is good or just the coil? <img src="/forums/images/graemlins/drunk.gif" alt="" />
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Re: No Fire, ( all of a sudden???)
[Re: FrankR]
#587394
04/02/05 07:02 PM
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Anonymous
Unregistered
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Well, I found one, transistor $30.00 Should be here Wednesday <img src="/forums/images/graemlins/pfft.gif" alt="" />
Last edited by Sablade; 04/02/05 08:45 PM.
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Re: No Fire, ( all of a sudden???)
#587395
04/02/05 09:24 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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Good - where'd you get a transistor only? New or used?
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: No Fire, ( all of a sudden???)
[Re: FrankR]
#587396
04/02/05 09:35 PM
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Anonymous
Unregistered
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Spalding Auto in Spokane, WA (used) 1-800-366-2070 <img src="/forums/images/graemlins/cheers.gif" alt="" />
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Re: No Fire, ( all of a sudden???)
#587397
04/02/05 09:46 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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I was hoping it was a place we could buy new spares - but as long as it works, no matter whether it's new or used to me - those things seem to work for either 10 seconds or 15 years. At that price it's good to have a spare - if for nothing else - troubleshooting.
If your truck is the same as mine, you still have an LC filter and a capacitor on the coil assembly (backside underneath. I suppose either one could cause a problem but I haven't dealt with either.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: No Fire, ( all of a sudden???)
#587398
04/04/05 01:20 PM
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Joined: Aug 2004
Posts: 644
Rock Warrior
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Think about the tests that i gave you. The distributor toggled the 5 volts right? Ok so this signal goes to the MPI control unit which in turn supplies a small voltage the the base of a NPN transistor in the power module. You state that when you performed the transistor test, the coil fired. That means the power transistor and coil are good. Your problem is either in the wiring from dist.to the MPI or MPI to power transistor or simply a bad MPI control unit. A am basing this on what your test results. Good luck
Over the hill but still climbing.
88 Montero 2.6L auto, manual hubs, cooling fan conversion gps,recurved distributor,LSD Diff.
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Re: No Fire, ( all of a sudden???)
[Re: conner]
#587399
04/07/05 03:11 PM
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Anonymous
Unregistered
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Well, I guess that's all I have left I received the transistor and it did not help. If it is the MPI unit, wouldn't it give me some kind of code, besides "normal state" code? <img src="/forums/images/graemlins/frown.gif" alt="" /> I will chase wires now. <img src="/forums/images/graemlins/scared.gif" alt="" />
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Re: No Fire, ( all of a sudden???)
#587400
04/07/05 08:59 PM
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Joined: Jun 2001
Posts: 570
Rock Warrior
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I haven't read this thread thoroughly but has anyone suggested the ECU aka the computer?
1991 Montero LS, fading red paint
Front and rear limited slip differentials
95 SR Rear Springs, torsion bar crank, 137,650 miles
33x12.5 ProComp Mud Terrains, Bushwacker Fender flares
3 litre V6 with new heads
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Re: No Fire, ( all of a sudden???)
[Re: Mendel]
#587401
04/08/05 01:20 AM
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Anonymous
Unregistered
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Thanks, I'm looking for one now.
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Re: No Fire, ( all of a sudden???)
[Re: FrankR]
#587402
04/08/05 04:54 AM
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Joined: Feb 2005
Posts: 1,489
Body Damage is Cool
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I didnt read the entire reply thread, but check the ingition fuse, sometimes the connectors can get too wide so it gets a bad connection, especially if youve got accessories jerry rig tied up around that fuse.
97 FZJ80, Stock, Factory Lockers.
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