Car not wanting to start

Asked by GuruHV1W3 Jul 12, 2019 at 11:00 AM about the 1997 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

I have a 97 buick lesabre custom I change spark
plugs and wires and the coil pack and car drive
little better and then all out the blue it dies and
don't want to start back up

5 Answers

26,810

Make sure battery has a full charge and connections all good. If it cranks good but won't start, have a helper crank it, while you visually check for spark at the plugs. Use a gage and check proper fuel pressure. Check fuel injector pulse. Any applicable trouble codes?

26,810

Note the diagram for ignition module. See the fuse at top right, did you check that fuse? Not only check the fuse, use test light check voltage at fuse with key on. Actually, you can take wire connector loose from ignition module, use both ends of test light, one end touches pink wire, upper right in diagram. the other end touches black wire with white tracer, lower right in diagram, turn on the key, if the test lite comes on, you have voltage and ground good enough for lamp. I can't verify that the ignition module is good? As far as fuel pressure, you need to be sure that isn't initial prime. The initial prime doesn't need rpm signal, after that, there has to be an rpm signal or the fuel pump won't work. Just my opinion. let us know what you find?

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