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1995 Isuzu Rodeo Question won't start

Tiny
FOXFIRE2
  • MEMBER
  • 1995 ISUZU RODEO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 201,000 MILES
Hello.I have replaced plugs, fuel pump and fuel filter and it does the same thing, just turns over. It is fuel injected but unless the gas peddle is held down for a few seconds it won't sound like it fires. By holding the peddle down for quite a few rotations it spits and sputters but will not crank. Could it be a sensor, I have cleaned the MAP sensor it was full of carbon but no change.
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Tuesday, July 27th, 2010 AT 2:28 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-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, coil's resistances, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Tuesday, July 27th, 2010 AT 2:34 PM

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