C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

'96 no start issue

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Old Jan 22, 2011 | 05:10 PM
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Default '96 no start issue

My car will not start. I had the opti changed about 2 months ago. On the first long drive afterwards(6 hrs). The thing started pouring oil out the front of the motor. I checked it and it was 1 quart over full. It blew oil until it got to the proper oil level. 3 days ago the PKE light came on and stayed at the same time the car stopped starting.

Will the PKE light keep the car from starting?
The Opti is oily, could this keep it from starting? I'm not getting the same codes as I did before the last opti crapped out.

The shop that did it has a 1year parts and labor warranty on the distributor, but I want to make sure the problem before I take it back, They don't know how much oil to put in a car so I'm not real sure of their talents.
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Old Jan 23, 2011 | 01:29 AM
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I am assuming the starter cranks the engine but the engine will not begin running. When you ask for help you need to better describe exactly what your car is or is not doing. Car not starting could mean the starter motor is not cranking the engine OR it is cranking the engine but it won't run.
Oil inside the optispark can prevent high voltage meant to make a spark at the plug gap from happening. You should use a timing light during cranking to determine if you don't have spark. Replacing the optispark isn't cheap and I am sure you would want the shop to replace yours if it is oil causing it to not work which was their fault. Still, if they can't fill the crankcase with the proper amount of oil, I wouldn't trust them to do ANYTHING to my car!
Also I sense that you knew there was too much oil in the engine and ran it anyway. That is a serious owner mistake. If oil is coming out of the engine and you know it is overfilled, you should remove the excess oil without running the engine any further.
If you get spark, then you need to check the fuel pressure (35-42 psi) and see if it holds up for at least 1/2 hr after the ign is off. Check with a noid light if you are getting pulses at the injectors on each bank during cranking. See if the engine will start with starter fluid which proves you have a fuel delivery problem.

Last edited by jfb; Jan 23, 2011 at 01:33 AM.
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Old Jan 23, 2011 | 01:29 PM
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yes, the engine cranks.

thanks for the other ideas, I'll do that.

Yes it was my fault for not draining the engine, but when I realized it was over full I was 3 hrs from home. It a roadside rest area, wasn't much I could do.

I do not trust this shop that did the replacement, but I need the car going.
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Old Jan 23, 2011 | 02:02 PM
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JFB has said most of what I would say in regard to the opti, can't add much more. If oil did get up in the opti, it could also affect the optical sensor and the rotating disk also. If you lose the pulses out of the opti due to the sensor not working for whatever the reason, the PCM will not be driven, there will be no drive to the injectors, no drive to the ICM, coil and hence no spark either.

The PKE will not affect the car not starting or running. I just sounds like a coincidence to me at least on the surface. Many vette owners never repair the PKE and the car runs just fine. The PKE receiver is usually defective when the light stays lit. The PKE light is internally controlled by the receiver itself and not much anything else would normally affect this self test function of the PKE receiver. Have heard of this fault many times before.
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