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Maybe you unknowingly dropped a small nut or bolt down an intake port while the engine was apart or maybe a couple fuel injector lines from the spider got crossed during the process.

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Q: Why do I have engine knock after replacing 1997 s10 blazer fuel regulator?
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Where the knock sensors on Chevy blazer 1996 4.3?

In back of engine, it can be reached from the top.


How Many Knock sensors does a 1993 S10 Blazer have?

Assuming this is the 4.3L engine, one.


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You have another problem other then the knock sensor if the engine will not start and run. A knock sensor will not cause the engine not to run.


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left side back of engine by dist.


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engine misfire. i have a '96 Chevy blazer but i don't have that problem, i was reading reviews on the car and found out that some of them do that.


Where is the knock sensor on a 1993 vin w S10 Blazer?

there may be two knock sensors on that 4.3L engine. One would be on the back of the passenger side cylinder head and the other would be on the drivers side, lower engine block area.


Gm scanner found code 43 on 86 s10 blazer referring to electronic spark timing ESC circuit - low voltage detected or electronic spark control circuit problems what and where is this and how to fix?

I have a 92 s10 blazer and my code 43 was fixed by replacing the knock sensor. so maybe check the knock sensor and the wiring from that to the ECM.


Will i damage my car if i don't replace the knock sensor when they need replacing?

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Will the fuel pressure regulator make your car misfire?

Yes. A fuel pressure regulator maintains the adequate fuel pressure required by the engine. A faulty fuel pressure regulator might leak fuel or cause your engine to run lean. It could create hard starts, knock and ping, or hesitationat full throttle.


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Where is the knock sensor located on a 1992 Chevy s10 blazer with 4.3 V6 eng?

It is screwed into the passenger side of the engine block just in front of the starter.


Does the engine on a 2003 impala knock in the top of the motor if the knock sensor is bad?

The knock sensor just advances and retards the engine timing only. If there is a noise in the engine then you have engine are valve train problems. The knock sensor will not make the engine knock.