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You are 100 per cent correct. Timing chain was defective due to plastic gear on the cam shaft. I found this by watching the rotor jumping while it was rotating, mystery solved. For me this has been a trial on my patience, mechanical and electrical skills. Not to mention one of the strangest...

UPDATE AS OF 5/06/2006 Starts and runs for maybe 3 seconds and dies, noid light flashes and timing light flashes as the motor dies.Continuing to crank while it dies. lights flash. latest testing new injectors ohmed out at 14 replaced ignition control module with oem had alternator checked -...

Thanks for the link, great information.

What do you mean by the ignition connector harness? Is this the short one behind the distrib?

Drained fuel system, checked for contamimantion, none found. Added fresh fuel and the same results. Runs for 3 seconds and then dies. Will not start everytime, just when it wants to.

Cleaned all of the grounds that I could find

there is a 4 wire harness on the back side of the dist. that goes from the ignition module to a connector within 12 -14 inches of the dist. was that the one for your problem? I put a 12 volt load test on mine and it tested fine.

Replaced one fusible link and a lot of other parts. anxious to here what the garage has to say. thanks Earl

thanks for the info, glad to hear you are up and running. Now to check my fuel pump for a bad ground. Mine has been driving me. not too sure where yet! but maybe a simple fix is is store.

Curios about your 88 as I am having issues with my 86, what unit did you replace in the end? thanks Earl

light smoke or vapor out the front

pressure is steady

dropped the y pipe and still runs for 3 sec. and dies going crazy noticed smoke coming out of intake plenum

The tool if is like my 86 Vette is hollow torx. Standard procedure. check fuel pressure at rail and see if the guage dops off when you turn off the key. Slow bleed or fast. Clamp return line, test pressure at rail, then change clamp to supply side and see if pressure holds.

Possibly a bad ground connection there are several of them from just behind the headlights to under the motor. Check the manual for their location. Take the ground wire off and clean them. Earl Side mount bat cable? If so they can lose contact internally

Injectors are firing, pulled plugs, wet with gas, res. readings normal thanks Earl

Welcome to the real world. I just joined myself and have issues with my vette.1986 red coupe. The response has been great. Depending on your budget??? new carpet or dye, I am looking into dyeing my carpet as there is nothing wrong other than the fading. As soon as the dye arrives we will see...

too stubborn to give up thanks Earl

Can not keep the engine running long enough to check anything thanks Earl

Pulled the valve cover to verify no 1 at tdc. crank at no. 1 dist. at no. 1. Have compression on all cylinders. Code 12, spark is blue in bypass mode, noid light blinks Had control module tested at Auto Zone, had AZ test mod 5 times to prove unit. passed. pick up coil is new and passes...