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I just finished doing a tune up on my 95 s-10 blazer and now it seems to have a hard time starting and once it does it idles very high around 3000, I tried to drive it and the transmission shifts are way off it wants to stay in third gear at 80 km and rev real high it will drop down a gear if i give it some more gas but when i let off on the throttle to cruise it down shifts and revs real high again </P>


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any help yoou guys could give would be appreciated</P></TD></TR>
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Triple check your firing order,(The order of your plug wires)and make sure the rotor is on all the way.

 

SOUNDS LIKE A VACUUM PROBLEM. A VACUUM LEAK WILL CAUSE HIGH IDLE, FUNKY SHIFTING, AND DIFFICULT STARTING. DID YOU REMOVE ANY VACUUM LINES? OLDER AUTOMATICS USED TO HAVE A VACUUM MODULATOR THAT WAS FED FROM THE INTAKE MANIFOLD. I DONT KNOW IF THEY STILL HAVE THAT, BUT I WOULDNT BE SUPRISED.<IMG src=smileys/smiley14.gif border="0">

 

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<FONT face="Courier New, Courier, mono" color=#0000cc size=4>What all did you do in the tune-up?</FONT>

 

Check to see if your intake manifold is cracked. This could cause high idling and rapid gear shifting. I had the same problem on my 88 S-10. Also, check the vaccum lines as previously stated.