Engine Dies When Put in Gear - Impala Tech
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post #1 of 1 (permalink) Old 09-15-2016, 04:51 PM Thread Starter
Join Date: Jul 2016
Posts: 84
Engine Dies When Put in Gear

I've got a really crazy situation.....drained some really old gas out of the tank, filled with non ethanol 90 octane, started it up, ran it for quite awhile in the driveway. Thought I'd check the timing, was at 8 before (w/o vacuum), thought I'd try to fine tune the idle (new Holly two bowl, not double pumper). The car ran fine with the old gas, just stinky as the gas was probably 2 years old.
Idle was fine, revved with throttle snap just fine. Put it in gear and it dies. Every time! Tried everything, leaning the idle, enrich the idle, change idle speed. The engine by now was quite warm but certainly not boiling over. Thought about vapor lock but that doesn't make sense either! Let it cool for about an hour. Tried it again. Idles fine, dies immediately when put into either reverse or drive. Almost like you turned off the ignition but it does try to run, just stumbles badly and dies. Any possibility that the torque converter has locked up? Trans is a PG. Beginning to think it's purely a coincidence that this happened at the same time I changed the gas. More and more inclined to think I've got a transmission issue. May try lifting the rear wheels and then putting it in gear and see what happens. If it keeps running it's definitely a locked up torque converter. Any thoughts?????

Last edited by rbwinston; 09-15-2016 at 09:57 PM.
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