Question about 1998 Chevrolet Blazer
1998 Blazer shifting hard between 1st and 2nd and not going in to over drive (4th gear) for the last couple days, then today in worked fine for about 15 miles then the tach went to 2300 rpm at 70 miles per hour from 2000 rpm per hour were it normally is at 70 mph.
Your going to have to get the ECM scanned, Auto Zone scan's for free and most garage now will scan for $10.00 to $15.00 since they all have the scanners now and need the business.
You could have a Vehicle Velocity Sensor (V V S) going bad or the wire harness it self. The V.V.S tells the ECM how fast the drive shaft is rotating and calculate's what gear it should be in relative with the engine speed and throttle position, and transmission fluid pressure.
Regardless you need the Blazer scanned to pin point why your transmission is shifting the way it is. Could be as simple as time for transmission oil and filter change for $125.00 or a loose wire harness.
Check your transmission fluid and try not to run the blazer to hard, to replace the transmission start at $1,900.00 for a rebuilt.
Good luck and hope this helps. Keep me posted
Posted on May 26, 2009
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Posted on Jan 02, 2017
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