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Re: 92 Geo Metro Not Starting
Does the engine crank? Do the instrument panel lights dim when you attempt to start it?
If the answer to both of those is no, then you may have the same problem I have had on occasion - the "clutch safety switch" may be stuck and locks out the starter.
If it cranks ok and it has spark, there is a possibility that the fuel injector is "stuck". It happened to me once with my '92. The problem was solved by accident when I used a multimeter to check the voltage across the injector. I watched the voltage drain down to 0 and then I was able to start it and it worked just fine.
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Re: 92 Geo Metro Not Starting
Usually when someone does what your mam did they normally catch the light switch lights come on battery runs down but if you are sure the batterys up it is very unlikley that it would be anything to do with fuel or electrics [not immposible] but i would suspect that when your mams tried to start the car its jumped the timming belt teeth when she turned the key it gives you the impression when it is then being turned over of a flat battery with a slight difference in that when the engines turning over it can appear to turn slowly then quickly then slowly ect or just turn over quickly hope it helps yates210456
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It sounds like a weak battery or weak coil. If it cranks slowly, it's most likely the battery. It's unlikely, but it could also be a poor or broken connection in the ignition switch on the wire that is supposed to power the coil during cranking. After having the battery tested (most parts stores will test for free), if it's ok, I would use a multimeter to check the voltage across the coil while the engine is cranking. It should read at least 6 volts some of the time. The voltage will drop out or fluctuate, this is normal. If you're unsure, the coil is fairly inexpensive and easy to replace.
If the dash lights stay on and do not dim when you turn the key, (if the lights dim it's likely a bad starter) it could still be the solenoid on the starter (the + battery cable attaches to it) getting stuck, but there are a couple of other things to check. I would start (no pun intended) by putting a voltage tester on the stud for the switch wire (the small wire) at the solenoid and check if there is voltage to the solenoid. If there is, and the starter doesn't crank, it's likely the solenoid. If there's no power to the solenoid, I would trace the switch wire back checking for bad connections and then check the clutch switch. The clutch switch is under the dash aligned with the top of clutch pedal arm so that it is pushed in when the clutch pedal is pushed. It is a safety interlock to keep the car from starting if the clutch is out, but mine has occasionally not made contact. You can check it by using a DMM to do a continuity test when the button is pushed.
I would check your coil or your distributer. The easiest way to check to see if you have a spark would to pull the spark plug out then plug it back into the spark plug wire. Ground it off to the engine mount or any good gound, then have someone turn the key and see if the plug sparks. (Make sure you wear electric gloves while doing this.)