1994 Isuzu Trooper "runs rough" Questions

runs rough all the time almost missfireing i have checked timing and injectors vacuum leaks dizzy and ecu what else could it be?? First start with the fuel pump, then check your fuel filter or filters

...buildup in the intake. If your Trooper is hard to start, idles poorly, and runs rough the EGR valve is more than likely bad. If you are not experiencing these symptoms then it is probably just

...runs bad. (oldest story on earth on cars) I walk over and gee the spark plugs are bad. and filters packed. his is the older SOHC v6. (single cam heads) the rough running means MISFIRE I take my scan ...

lost power to engine i have a 92 isuzu trooper. we replaced the fuel pump, fuel filter, sock to fuel pump, plugs and reset timming. drove fine but then started running rough, ideling rough and lost ...

...runs rough until it has been driven for awhile---also whene I washed it the last two times it would barely stay running on the way home and wouldn't start the next day sounds like sparkplug wires ...

...runs rough till its at the floor and then it runs like a bat out of hell whats wrong thottle body senser or what possible throttle posistion sensor or if it has a alot of miles, check distributor ...

...runs rough then dies code 42 comes up as problem how do i troubleshoot now no guide to run this problem down Code 42 is "Ignition Spark Timing".  Either the engine (Cam/Crank) timing is off, or ...

Check engine light engine running rough you won't know until you retrive the code for the check engine light

3.0 hard to start, then starts with a diesel knock, runs rough, and smokes Have you checked to see if any of the injectors are leaking fuel into the cylinders ?

92 Isuzu Trooper, Quickly started running rough and had no power. Muffler has a hole in it. Replaced Plugs, wires, ERG valve, Fuel pressure regulator, and Fuel pump. Idols fine but when I push the ...