Question about 1988 Chevrolet Corvette

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Why wont my 1992 corvette, with opti spark ignition,crank but not start? I don't have spark or fuel.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: 98 chevy camaro wont start

check fuel pressure regulator

Posted on Dec 06, 2008

  • 1596 Answers

SOURCE: 1992 Corvette won't start



Disconnect the + wire Coils Take #1 Spark Plug Out Get a helper Use Compression Guage if not Available, Just put your finger over the Spark Plug Hole, have help BUMP the Starter over till You can Feel The Compression at your finger you need #1 at TOP DEAD CENTER on its Compression STROKE Fine tune it by using a STRAW in the Plug Hole to feel the PISTON Move UP To VERY TOP Dead center----------------------------------This is Tricky but don't Loose these Instructions------- If you have the OPTI_SPARK Ignition System My Books show all about it but Nothing on the Timing "MARK" as this is the step I Stoped at Above.. Coil Pack Ignition Will Have a Timing MARK On the Lower Harmonic Balancer. Point Being if Mark is NOT on the Degree Indicator It has JUMPED TIMING<< Surly on a Coil Pack Ignition System BUT
-------- The Opti Spark system if there is NO Timing Mark to Go by I Would Suggest Breaking Down and Letting A DEALER Handle it Unless You Can RULE that it HAS JUMPED TIME------------------------------------------------------------------------I Truly Hope I've shed some Light on Your Delima and this Leads you to a Smooth running Chevy. PLEASE don't forget to Rate Me ------------------------------------P.S. The Opti - Spark System Has A BAD REPUTATION Just FYI Recall - Opti-Spark Distribtor, Stall/No Start, Code 16 Notes
9227chevy01
Number:
92C11
Section:
6E
Date:
Feb., 1992
Subject:
PRODUCT EMISSION CAMPAIGN 92C11 - Opti-SPARK DISTRIBUTOR
Model and Year:
1992 CHEVROLET CORVETTE W/ LT1 ENGINE
To:
All Chevrolet Dealers

Posted on Jan 16, 2009

Molson02536
  • 3854 Answers

SOURCE: 1992 Suburban 1500 with 5.7. Cranks but no spark.

Did you try to get any DTC codes from the ECM. If not here is the procedure to retrieving the DTC codes. http://www.troublecodes.net/GM/ Check the fuses, make sure there all good. hope you find a DTC code which would help us find out what is wrong with the suburban quicker. Keep me posted and good luck, be glad to help you.

Posted on Jun 04, 2009

saailer
  • 1868 Answers

SOURCE: 98 s10 cranks but wont start. Checked for spark and fuel press,

Yes It does. There are (or should be) toggle switches to reset security alarm. However, the ignition hot lead passes through the security relay contacts. This relay may be the culprit, in that if it does not pull when ignition key is turned; The start relay will not pull disabling fuel pump and spark.


FixYaWIZ...............saailer

Posted on Dec 10, 2009

  • 153 Answers

SOURCE: 1992 vortec v6 motor getting spark and strong fuel

the probem is probably in the injector assembly whichis under the intake plenum.after removing it you will se the plastic tubes and ijector popit valves unlike actual individual injectors.this whole contraption must be replaced as an assembly.you can get repair manuals from this site or go to you library.it may actually be flooding as these had problems with leaking fuel pressure regulators which i think are also only part of the whole assembly.

Posted on Feb 14, 2010

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1 Answer

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If you recently had a waterpump replaced or leaking, i would say its the opti spark distributor. Main problem with the LT1 engines the water leaks all over distributor that sits behind pump causing the start no start up. When ever you change the waterpump always include the opti spark and wired connector.

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Coil? Coil wire connected? Fusing. or the opti was installed incorrectly. Did it run prior to repair?

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I have 1991 corvette it shut down and when i started it back up it idled really rough and when i pressed on the accelerator it would not rev i had tohave the car towed however when i came home from wotk...


If your Corvette has the LT1 engine then it likely has a problem with the Opti-Spark distributor. These are a notorious problem with the LT1. It is mounted on the water pump and when that water pump seal starts to leak it leaks into the distributor housing causing condensation. Search the web for the various kits that fix this issue. there are several web sites that discuss the Opti-Spark and how to upgrade.

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I had a similar problem on my 92 LT1 and it turned out to be the opti-spark was bad not signaling the injectors to pulse, if your bypassing the VAT to turn it over then the injectors should fire as well, on the 92 the crank sensor is built into the opti-spark distributor as well, if it turns out to be the opti-spark spring for the MSD sealed and vacuum vented cap or you'll just be replacing the thing every six months, you can test the opti up were it runs into the coil, I dont remeber the exact proceedor but it is on line,

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3 Answers

1992 Corvette won't start




Disconnect the + wire Coils Take #1 Spark Plug Out Get a helper Use Compression Guage if not Available, Just put your finger over the Spark Plug Hole, have help BUMP the Starter over till You can Feel The Compression at your finger you need #1 at TOP DEAD CENTER on its Compression STROKE Fine tune it by using a STRAW in the Plug Hole to feel the PISTON Move UP To VERY TOP Dead center----------------------------------This is Tricky but don't Loose these Instructions------- If you have the OPTI_SPARK Ignition System My Books show all about it but Nothing on the Timing "MARK" as this is the step I Stoped at Above.. Coil Pack Ignition Will Have a Timing MARK On the Lower Harmonic Balancer. Point Being if Mark is NOT on the Degree Indicator It has JUMPED TIMING<< Surly on a Coil Pack Ignition System BUT
-------- The Opti Spark system if there is NO Timing Mark to Go by I Would Suggest Breaking Down and Letting A DEALER Handle it Unless You Can RULE that it HAS JUMPED TIME------------------------------------------------------------------------I Truly Hope I've shed some Light on Your Delima and this Leads you to a Smooth running Chevy. PLEASE don't forget to Rate Me ------------------------------------P.S. The Opti - Spark System Has A BAD REPUTATION Just FYI Recall - Opti-Spark Distribtor, Stall/No Start, Code 16 Notes
9227chevy01
Number:
92C11
Section:
6E
Date:
Feb., 1992
Subject:
PRODUCT EMISSION CAMPAIGN 92C11 - Opti-SPARK DISTRIBUTOR
Model and Year:
1992 CHEVROLET CORVETTE W/ LT1 ENGINE
To:
All Chevrolet Dealers

Jan 16, 2009 | 1992 Chevrolet Corvette

2 Answers

1992 Corvette cranks over but will not start.


Your Starter Brushes are worn down to far to Kick her Over. Replace that Starter and you Should be Good. Let me Know!

Jan 16, 2009 | 1992 Chevrolet Corvette

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