Question about Chevrolet Blazer

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I have a 95 chevy blazer with the 4.3 vortec. It has a knock sensor and temp sensor on the right side of the engine and I cant remember which one goes in the top hole and which one goes in the bottom hole. holes are right over the top of each other and both have coolant behind them

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The knock sensor will go to the lower hole, make sure you follow tightening instructions or it will no function correctly. Put a liquid sealant on threads, don't use tape.

Posted on Aug 04, 2008

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I have a vortec out of my 1995 chevy silverado will it work in a 1998 blazer with a vortec? I believe they are both 4.3L but i could be wrong...and the blazer is 4x4 will that affect the swap


If there both 4.3's the interchange says the will fit but I have found that you need to look everything over well. I have found that some have knock sensors with different sizes (2 wire and 1 wire) and the oil pan and pump sometimes have to be swapped going from 2wd to a 4wd. Sit them side by side and check everything is my best advice.

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On my 93 chevy s10 4x4 blazer, my instrument panel worked before new motor was put in, after having the new engine put in, my fuel gauge, oil pressure, voltmeter, rpm, and my temp gauge all quit worki


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1 Answer

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1 Answer

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swng,
1) Is the service engine soon light ever on when engine is running?
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Regards,

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