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I'm checking out a friends, Aunts 1998 Buick regal car for him. With that said the symptoms, it ran its last trip to McDonalds perfect, came out to go home and it didn't start. Several hours later it started and drove home only to die in the driveway @ home. Removed fuel filter and black crap came out, so it was replaced with a new filter. the car started and ran ~ 5 minutes then died and wouldn't start. That is where I came in, trailered the car to my shop, Checked fuel pressure and had ~ 42 psi. Replaced the Fuel pump anyway (practice) new pump 43psi, still no start. Checked the injector wiring on the passenger side that could removed without removing the plenum. Test showed firing at the infector plug. (forgot to mention had good spark @ plugs) went to the injector beside the oil fill cap unplugged the injector and hooked up the noid to verify current @ that injector. It does have current going to it, the car cranked up of course skipping, but it continued to run. unplugged the noid and connected plug to injector and the engine died immediately. we did this several times with the same result. Will replacing this injector solve this problem? It really makes no since to me how this 1 injector can kill all of the other ones. Somebody please Email me with the fix for this car. thanks Steve (bracketshark)


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Location: Oregon
Yes, replacing that injector will probably fix your problem. All the injectors use the same source for battery+. the computer sends the ground signal to fire the injector. If you have a shorted injector it will short the power to ground so all the other injectors won't fire. If you have a multi-meter test the resistance of the three injectors you can get to easily. They should be 11.4-12.6 ohms. If you get an injector that goes down to like 3-4 ohms or so it will rob the power from from the whole system

http://www.youtube.com/watch?v=YNc5fTfa99w


   
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