Question about 1989 Chevrolet C2500
Posted by Anonymous on
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Posted on Jan 02, 2017
injector pulse is just controlled by the ecm or computer as some would say,u said u replaced wires? did u have a fire or melt wires? ecm is known to go bad on these,had a few of these trucks back in the day.
Posted on Feb 16, 2009
There needs to be 60 PSI of fuel pressure in the system to have the fuel injectors to work. There is also a fuel pump relay on the fire wall just left to the brake booster, There is two relays there, i just can not remember which relay is which but try switching the relays with one another. Also check the fuses to the fuel pump and ECM, and the fuel pressure from the shredder valve. Good luck and keep me posted, not a bad Idea to also replace the fuel filter, and that is located at the inside frame rail under the drivers side.
Posted on Jun 03, 2009
SOURCE: No power to injectors 350 tbi
Check the crank sensor for failure. It is relatively easy to change and it is what tells the computer that the engine is turning over. If there isd no crank signal the computer wont fire the injectors.
Posted on Aug 15, 2009
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