1997 Chev Suburban Won't Start - Ignition System


Question: The ignition module has went out 2 times in the past 3 months. The first replacement module lasted about 1 week. The second module lasted almost a month. I tried putting in a new module and it still won't start. The engine just turns over with now firing. We tested a spark plug to see if there was spark... and there was. Could it be some other part now after all the modules I replaced? Fuel Pump? Anything else? The car was running fine before this latest episode. I felt the module and it was very hot. I had it parked for about 10 minutes and when I came back, nothing.. it wouldn't start. Any suggestions, besides bringing it to a shop? Thanks

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Owner: I am waiting to go get a ride back out to my car.. could a jump help? It seems like it is turing over pretty fast, but I have been cranking on it hard before I replaced the module this time. I didn't have jumper cables when I replaced the module. Should I be able to hear a fuel pump? It is a little noisy where the car it.. so I would have to stick my ear somewhere.
Technican: First off the fuel pump is located in the fuel tank. When you turn the ignition to the on position there should a humming sound coming from this area. As far as the ignition moduels you say you have replaced, before you go any further at trowing parts at the vehicle, I would you have the vehicle diagnosticly scanned to pinpoint the problem. Check with some of your local parts houses. I have heard some offer this service for free or at a nominal charge.(I know one is even offering free towing)If a code or codes are retrieved from the scan, then "all" tests suggested in the flow chart need to be preformed to insure a proper repair. Paul
Owner: First, thanks for the speedy reply. Since today is Sunday.. nothing is open. Is there anything I can try today to get it running? Starting fluid? Based on your expertise, what would you be leaning towards? I am trying to get a plan together before I head over to the car in a few hours. Thanks
Technican: Again, I couldn't tell you from this side of the screen if starting fulid would help your concerns. In fact, if the problem lies elsewhere, it could actualy damage the motor. If there is an errant read from the ECM, and the combustion chabers are full of either and a spark comes across, serious damage may occur to sensors or engine. You need to have the vehicle scanned to get to the bottom of your problem. Paul

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