will not go over 20 mph
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2000 Chevrolet Blazer Question: My Blazer will not go over 20 Mph, is the trans bad?
Answer #1your.mechanic November 16, 2012, 13:28Master
possibly...or clogged cat....or ignition issue...
Answer #2ziptie12 November 16, 2012, 21:09Master
Need more specific details ..........like is it trying to shift or does it just rev up the engine and stay in first gear? Is there a really thick floormat under the gas pedal preventing you from pressing the throttle down?