Replaced the spark plugs, spark plug wires, rotor button, distributor cap, and ignition module. The engine cranks, but will not start. Any idea what this might be?
If it doesn't have spark after replacing all those parts, you're looking at a possible wiring problem, computer issue, or crank/cam sensor problem. If it does have spark, you're probably not getting enough fuel pressure or you have a timing problem.
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GM Dealer Technician For 18+ Years In the automotive industry for 20+
No spark, check for voltage at the coil positive terminal when the ignition key is on. Battery problems are the number-one reason of no-start condition. Check your battery is to turn your headlights on. If the headlights come on and are nice and bright, not dim or dull, then it's likely your battery and its connections are okay.
The very first thing you need to do is check for spark and the presence of fuel. Both of these tests should be done simultaneously if possible. As mentioned before, usually one of them will be missing from the mix
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