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Old 01-28-2013, 11:25 AM   #1
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Default Distributor..

95 z28. 160k miles. Bought the car used 10k miles ago. No big performance mods (besides ram air and 160 degree thermo)

Reading from the receipts-
lt1 replaced 28k miles ago.

The distributor was replaced with a ACDelco remanufactured distributor 19k miles ago. 1000 miles after that the distributor was warrented as the car died during idling.

About 2 weeks ago, the car had a hard time starting. After getting it started, the car was misfiring and the RPMs were going all over the place, until it finally died and wouldn't turn over. Took it to a shop were they told me the fuel pressure was good, wasnt getting any opti codes, and that the distributor cap was burned. They said one of the wires got hot from the gas manifold and burned itself and the cap. They replace the cap. They also said they replaced the wire with a used one. Car runs fine, and notice the engine doesn't shake anymore.

Driving it yesterday when i notice two small misfires. Went to a friends house, stayed the night, then left in the morning. After leaving his house, the car dies again in the middle of the road. The RPMs drop below 0 and check gauges comes on.

Is it time for a tune up? I haven't checked the spark plugs or wires..
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Old 01-28-2013, 02:54 PM   #2
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Quote:
Originally Posted by wildcat1337 View Post
95 z28. 160k miles. Bought the car used 10k miles ago. No big performance mods (besides ram air and 160 degree thermo)

Reading from the receipts-
lt1 replaced 28k miles ago.

The distributor was replaced with a ACDelco remanufactured distributor 19k miles ago. 1000 miles after that the distributor was warrented as the car died during idling.

About 2 weeks ago, the car had a hard time starting. After getting it started, the car was misfiring and the RPMs were going all over the place, until it finally died and wouldn't turn over. Took it to a shop were they told me the fuel pressure was good, wasnt getting any opti codes, and that the distributor cap was burned. They said one of the wires got hot from the gas manifold and burned itself and the cap. They replace the cap. They also said they replaced the wire with a used one. Car runs fine, and notice the engine doesn't shake anymore.

Driving it yesterday when i notice two small misfires. Went to a friends house, stayed the night, then left in the morning. After leaving his house, the car dies again in the middle of the road. The RPMs drop below 0 and check gauges comes on.

Is it time for a tune up? I haven't checked the spark plugs or wires..
I believe its time for a good Opti. I recommend the MSD pro-billet. MSD waranties them for a year and on top of that they will repair it for less than what a new one would cost.
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Old 01-28-2013, 04:07 PM   #3
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You will need to re-diagnose. At this point, you don't even know if it is related to the previous problem.
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Old 01-28-2013, 05:08 PM   #4
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it's possible they didn't loctite the rotor screws when they did the last job, and they've come loose. you can begin to diagnose that by cranking the engine over with a fuel rail pulled up (or a 12v test light on an injector plug).

if the rotor has come off, it wont spark, but it'll squirt fuel. just a first guess for you to chase down.

thing is, a torched cap and rotor means some contamination has happened to the optical side too. they're in the same compartment. but whether that contamination will do any harm... who knows
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