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Car Forum / Nissan / Nissan Cars / April 200688 sentra, no spark
working on a 1988 Sentra that will not start. Plugs, wires,Distrib. Cap, rotor, Distributor, coil,Ignition Control Unit are all new. ECM changed. There is no spark from coil, Does any have any ideas on what is wrong? > working on a 1988 Sentra that will not start. Plugs, wires,Distrib. > Cap, rotor, Distributor, coil,Ignition Control Unit are all new. ECM > changed. There is no spark from coil, Does any have any ideas on what > is wrong? Have you confirmed that your distributor is indeed rotating while you crank? -- R Flowers yes and it has power in and out there is a single black ground wire by itself that plugs on to the distributor housing by a spade terminal, if this is dirty or fallen off -no spark. > yes and it has power in and out > there is a single black ground wire by itself that plugs on to the > distributor housing by a spade terminal, if this is dirty or fallen off > -no spark. Given the distributor is grounded to the engine block, that can't cause what you suggest. In almost ever case, that black "ground wire" goes to a noise supression condensor on the fender which has zero effect on the car running.  SignatureSteve http://www.atlantaracing.com Really! So you have never seen the distributor housing corroded in the cylinder head? would it not then NEED its gound? I have repaired two sentras with this problem! >>there is a single black ground wire by itself that plugs on to the >>distributor housing by a spade terminal, if this is dirty or fallen off [quoted text clipped - 5 lines] > supression condensor on the fender which has zero effect on the car > running. > Really! So you have never seen the distributor housing corroded in the > cylinder head? Not if the bolt holding it in is tight. > would it not then NEED its gound? Given the electonics are grounded in their own harness, the distributor body doesn't have to be grounded at all. Try this, you can pull the distributor OUT of the engine, unplug this "ground" you claim needs to be there and if you spin the distributor, you get spark. Go look at the wiring diagram if you don't believe me. > I have repaired two > sentras with this problem! BS SignatureSteve http://www.atlantaracing.com How long have you been working on Nissans? I have been at this for over twenty years. The original poster ask what could be wrong other than the obvious. If it isn't important why do you suppose Nissan spends the money putting one on every car? You should be an engineer! Now let the original poster try to get advice to fix his car. >>Really! So you have never seen the distributor housing corroded in the >>cylinder head? [quoted text clipped - 13 lines] > > BS |
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