1994 Isuzu Truck Won't start

Tiny
KATYP
  • MEMBER
  • 1994 ISUZU TRUCK
Electrical problem
1994 Isuzu Truck Two Wheel Drive Manual

Mechanic took engine apart; put new head on. He simply stood up the timing mechanism the way he took it out so that he could put in back in without having to adjust timing. That mechanism was knocked down before he got it back into the engine. He says he's checked the timing twice. Still the truck won't start. There is a single wire still disconnected hanging from the firewall behind the carb. He's given up. I'm stuck in rural podunk with a trunk that won't start at all now. Battery dead now.
Is it possible that the hanging wire is the problem? I've been told that if the truck won't start, the timing couldn't have been checked accurately. HELP!
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Sunday, April 5th, 2009 AT 5:26 PM

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Tiny
RASMATAZ
  • EXPERT
Do below to determine if its fuel or spark problem

Get a starting fluid/ether/better off gas in a spray bottle and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, distributor pick-up coil, ignition control module, ECM, Ignitor cam and crank sensors- Note: If it doesn't apply disregard it

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time/broken or jumped timing belt/chain
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Sunday, April 5th, 2009 AT 6:25 PM

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