Check starter relay. Starter solenoid may be bad. If its turning over, but not starting, check all battery connections and connections in the starter. Make sure no wires on the starter are touching. Make sure battery is also grounded to the firewall, block or chassi. If the problem still persists, check your cap and rotor if you have them. If coil pack(s) one (if more than one) may be bad, and can be tested at an auto parts dealer. Also consider checking any and all relays, fuses, and fusable links. Sometimes its the simplist of things so be sure to make sure your coil wire itself is properly secure at both ends. The least amount of contact will make a huge difference. I also suggest having your alternator tested. First, try jump starting the car. If it does not jump start after a few tries, stop and have the entire charging system tested.
What are you working on? Is it gas or diesel? Sounds like a fuel problem to me.
SOURCE: 95 jeep cherokee seemed to run fine but left overnight it wont
You changed the ignition coil from distributor right?
secondly make sure distributor is not internally shattered (which is a common problem). Normally the current comes from Crank sensor or cam shaft sensor !
SOURCE: seemed to run fine but left overnight it wont
Check...don't just replace the crank sensor (on bellhousing even with flywheel on drivers side harness goes up on that side near back of engine & master cyl. You should have no continuity between b&c terminals (show open circuit) If any connection at all its bad. (check with ohmeter)
SOURCE: won't start, not spark from coil
its maybe bad or the ignition module has issue-----chec inside of distributer cap for buildup--------test plug wires
Coil packs do not have firing orders, engines do. I suspect you were given the incorrect part.
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