Question about 1992 Chevrolet C1500

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Can you bypass a knock sensor

305 V8, what can happen if you don't have a knock sensor hooked up?

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  • Chevrolet Master
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The knock sensor changes the timing so internal engine damage won't happen. If you bypass it or disconnect it you risk a catastrophic engine failure.

Posted on Dec 06, 2014

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Posted on Jan 02, 2017

mechanicm639
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SOURCE: 1992 Camaro RS 305 V8, Auto

A knock is not good. Does it change when you put the car in gear? Is it loud enough to hear at idle? If it changes in gear then it is a possible cracked flywheel. If not you can idle the car pull the plug wires 1 at a time to see which one changes the sound. This will tell you which cyl has the problem. If it changes pulling the wires then it is an internal engine problem, get ready to spend some money, sorry. Good Luck.

Posted on May 07, 2009

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1 Answer

Nissan frontier 3.3 knock sensor bypass where do you put the resistor?


I don't think you can bypass a knock sensor it will not help your cars ecm to calculate the knocks for better fuel mixture,you can remove the intake manifold and replace the sensor,the 3.3l engines takes one sensor only make sure to use origenal part or a dorman product not a chinees part,good luck.

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How do I bypass a knock sensor on a 2000 Nissan frontier


Bypassing (hotwiring) the knock sensor will remove a signal the computer needs to operate. Unexpected results for sure , possible damage to the computer may result. Replacing the knock sensor is the best way.

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Bypass knock sensor on 2002 xterra


these are designed to be placed were they are so it will only pick up a knock from the engine and not other things bolted to the engine. just replace the knock sensor were it was designed to work best.

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01 GMC 1500 v8 z71 ...missing & not shifting on


The transmission has been electronically controlled for several years.
The miss could cause the knock sensor to set a code, but the sensor will not cause the miss. The knock sensor signals the computer and the computer tries to cut back on ignition timing to stop the knock. The sensor can set a code if it is a spark knock or something mechanical.

Aug 27, 2013 | Cars & Trucks

1 Answer

Need an emissions schamatic for my 1984 K10 silverado 305 engine


Unfortunately, there are 13 variations for this engine and year. Was this truck sold or modified for high altitude? Was it sold in California or modified to meet the CA emission standards? Does it have a manual or auto transmission? After narrowing down based on answers to these questions, there are still alternative configurations depending on the particular equipment, so look carefully at the diagrams to see which components are used on your engine. Sometimes you can match the 3 letter code for the diagram to letters in the VIN or a sticker in the engine compartment. Please let me know if you have questions.


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Fig. Fig. 49: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission

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Fig. Fig. 50: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

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Fig. Fig. 51: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission

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Fig. Fig. 52: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

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Fig. Fig. 53: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with manual transmission

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Fig. Fig. 54: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with manual transmission alternate

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Fig. Fig. 55: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission

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Fig. Fig. 56: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission alternate

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Fig. Fig. 57: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission alternate

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Fig. Fig. 58: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

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Fig. Fig. 59: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

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Fig. Fig. 60: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

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Fig. Fig. 61: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

Oct 27, 2011 | Cars & Trucks

1 Answer

What is the air pump for on the 1997 ford 5.8l v8 for and what will happen if it is not hooked up to anything and is bypassed on the surpentine belt?


The air pump injects air into the exhaust manifolds to reduce emissions. If bypassed, the vehicle still runs but you will fail the emissions test and the pump will freeze up if not used. I don't recommend disconnecting anything having to do with the air I breath.

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1 Answer

Engine vacuum diagram for a 1984 Chevrolet Caprice Classic with a 305 V-8


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Fig. Fig. 36 1984 305 (5.0L) V8 engine Canada


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Fig. Fig. 37 1984 305 (5.0L) V8 engine California alternate


Hope this helps (remember to rate this answer).

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1 Answer

Check light on 95 maxima code PO305 & PO325


Here you go:
P0305 Cylinder 5 Misfire Detected
P0325 Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor)

The 305 is most likely caused by a faulty knock sensor.(325)

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1 Answer

I need to find a fuel pump relay on a 1989 chevy caprice


The relay for a 305 V8 is under the hood on the passenger side fender. It is a black 2" cube hooked onto a bracket. There is a red test wire and clip coming from it. You can bypass the relay by attaching a short wire from the clip to the positive terminal on the battery. Have some one kneel by the gas tank while you test the relay. If it comes on (the pump in the tank will buzz) then the relay is bad. A new one is $10 at the parts store. Just swap it out.

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