1998 Isuzu Trooper

Engine Performance problem
1998 Isuzu Trooper 4 cyl Four Wheel Drive Manual 167170 miles

Please advise on this
July 15, 2010.

No start-Do below to determine whether it's fuel or spark problem: 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

Jul 16, 2010.