Cadillac Eldorado 1985 i replaced sparking plugs and i have fuel at injector but it dose not start, could be the ignition coil want weak and not giving a strong electrical to the sparking plugs

20

Asked by Apr 23, 2017 at 05:40 AM about the 1985 Cadillac Eldorado Coupe FWD

Question type: Maintenance & Repair

V8 engine

2 Answers

104,235

You need to find out if it is spark or fuel related, spray a little starter fluid down the intake and see if it wil fire up briefly, if it does then it is fuel related if it doesn't then it is spark. If it's fuel check for proper fuel pressure and if the injectors are pulsing, no or low fuel pressure could ba fuel pump or regulator, no injector signal could be a blown injection fuse, no signal from the ECM, no crank sensor signal or bad ECM. If it's spark, to see if you have spark output from the coil, cap and at the plugs, you may need a new cap, rotor and wires, if no spark anywhere you may have a faulty ignition module or a burned out coil. HTH

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104,235

Thanks for the best answer points. Hope you found the problem.

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