1995 Pontiac Firebird 1995 firebird trans trouble HELP

1995 PONTIAC FIREBIRD
156,089 MILES • V8 • 2WD • AUTOMATIC
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FIREBIRDMAN1187
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1995 firebird lt1 v8 auto shifts great from 1,2,3 but overdrive is not wanting to engage could it torque converter lock up solonoid or what please help
Feb 2, 2010 at 6:07 PM
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ERNEST CLARK
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Yes, you could possibly have a failed lock up switch. But the problem is, those OBD I computers aren't so good with monitoring the trannys.

You could have your computer scanned during a drive test, but that won't guarantee you'll find the trouble.

If you're not experienced with tranny diagnostics, you'll have to take it into a shop. Because trannys aren't like engines (they don't have several sensors to monitor all of the functions), so most likely it'll have to be torn down. Sorry.
Feb 23, 2010 at 12:19 PM