I can wire the positive terminal from the battery to the coil and have power but no feul injectors not firing
Check your auto shutdown relay the ground is a common factor on electrical problems, you can check your coil, but i have found that there is no way i have found to properly check it under load. so i say first things first, take the relay out check the blades for corrosion they make cleaners for electrical connections use this do not sand paper or wire brush, Lubricants electrostatic with anti-corrosion metal surface protection than the same with the ground, start there.
Testimonial: "i have done all of that i even replaced the realy and replaced the coil but i still have no power to the coil to the dist. but the rotor button does rotate when i turn the truck over. and im not getting the pulse to the injectors it like the coputer is not giving the signal to tell anything what to do// im lost"
SOURCE: Fuel Injector Wont Spray
check wires at throttle body. can use a 12 volt test light to check for current. if you have spark it is not the ign module. set meter for 12-20volts. should have 2 fuse boxes on this model, one behind right side of dash at floorboard
SOURCE: wont start has fuel and has spark
RC ralston
Your problem is a leak in the cpi pletium most likely the pressure line has a leak
had same problem with mine $45.00 PRESSURE LINE KIT AND $15.00 GASKET FOR PLETIUM and 2 hours labor problem sovled.
You can remove vortec cover and remove air regulator to look inside pletium. I had gas vapor on driver side . that is where fuel lines are. fuel regulator is on passenger side. turn key on and look in hole and see where fuel is spraying. taking pletium off you can again turn key on and make sure where fuel is coming from.
SOURCE: 1994 f150 no fire to coil or fuel pump
i got a 1994 f150 that starts but cuts right back off so i had no fuel psi so i put a new fuel pump and fillter then found out that it was not getting power to the pump the cut off is not triped and no brakes in the wires can anyone help??
SOURCE: Truck will turn over but not start. Checked fuel
The ignition module located inside of the distributor is what generates the signal that the ECM (Engine Control Module) uses to time and fire the fuel injectors, as well as the signal to run the fuel pump and the dwell signal timing to fire the ignition coil. A faulty ignition module can cause any one of these systems to malfunction.
That does sound like a malfunction with the ignition module inside of the distributor, and you can remove the ignition module and have it tested for free at most auto part stores.
If you do purchase a new ignition module be sure that it does come with a silicone grease or a die-electric compound because it is a heat sink and the ignition module will burn up without it.
To install the new ignition module first clean out the mounting surface inside of the distributor. Then completely coat the metal contact surface under the ignition module with a thick coat the silicone grease or die-electric compound and do not leave any of the metal contact surface of the ignition module un-coated with the silicone grease or die-electric compound, and be very careful not to over-tighten the ignition module or it will be damaged.
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thanks for the response my next check would be crank sensor, with out a firing sensor no spark.
ill have to check that today after i get out of school
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