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To review - - if you have spark, fuel, and compression, you should have combustion. In this case, if the timing belt is damaged, you might not have compression or spark at the right time. A faulty crank or cam sensor could cause you not to have spark at the right time. The spark plugs could be worn out or fuel fouled and not able to fire under compression. Did the car die or just not start ?
Well, something is missing. Your engine needs fuel, ignition, and compression to run. You need to findout which of these systems is malfunctioning before anybody can tell you why your engine won't start.
If there is no spark, I would check the ignitor in the distributor first. There are other possible causes, but this isthe most common.
If there is no fuel, I would suspect a bad fuel pump. (you can check this by spraying a SMALL amount of starting fluid in the intake and see if the engine fires.
If there is no spark and no fuel, I would suspect a broken timing belt.
you may have had a timing belt brake. this usually happens under a load. I've seen this a few times,if you are between 80,000 and 100,000 miles or higher and the timing belt has not been changed. (a way to tell if it is the timing belt is to remove a valve cover and crank the engine if the rockers don't move the crank is not turning the cam/cams and its probably a broken timing belt) it may be that, or it may be an issue with the ignition/spark system if your getting fuel at the engine.i hope this helps
I had a similar issue with my '86....driving home, made a left turn, and engine shut down. Coasted to a stop, and had a look under the hood. Cranked over fine, had gas, spark, but no go! After a tow home, and more in-depth investigating, turned out that the timing belt had broken! The older engine has no interference between valves and pistons, so installing a new belt got 'er going again for about $40. You can look down though the oil fill port or loosen the upper screws on the belt cover to confirm that the valves are/are not moving when the engine cranks.