Question about 1993 Chevrolet Corvette

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1993 corvette (non ZR1) that began to stall when driving 3 weeks ago. Suspected a fuel issue as the car would just "shut down" while driving as if the fuel was shut off. Mechanic replaced the fuel pump, fuel filter, and fuel pump relay switch. However, it will still stall. Sometimes you can let it sit for a while and it will restart, or starter fluid into the throttle body will get it going again until it stalls again. There are no codes on the ECM according to the mechanic who says the ECM checks out fine. Any ideas?

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  • xbbrdr Jan 30, 2010

    There was a suspicion of whether the optispark or a security system fault was behind this.

  • xbbrdr Mar 07, 2010

    Thank You!!!! I finally replaced the Optispark with an MSD Optispark that has a vacuum and vent. No problems!!!! Anyone reading this avoid 2CarPros (as they are anything but "pros", and check out the "true pros" at fixya.com. Thanks again.

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  • Chevrolet Master
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The distributors give this vehicle a lot of problems,because of the location of the distributor,The cause of your problem is,no injector pulse,most likely,you will have to replace the pickup coil in the distributor,and my advise,is to replace the pickup coil,module,and cap,and rotor.The reason being,is that it is an act of congress to just replace one of these,because of the location of the distributor.The water pump needs to be checked also,it can leak on the distributor,and cause a lot of problems.The parts will be high,but better to replace it now,all at once,and be done with it.The cap,and rotor are only available in a kit.

Posted on Jan 30, 2010

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Posted on Jan 02, 2017

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