Question about 2001 Chevrolet Silverado 1500

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2000 chevy silverado 5.3, skips a little between 50-55mph, plugs and wires were changed. scanner shows bad knock sensor #2. will changing this correct the problem?

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It should but recheck ur wires and plugs first a bad plug or wire can cause a knock ping problem and set off sensor also check the knock sensor connections at rear of engine----- the knock sensors for the 8 cyl are located under the intake manifold so its labor intensive to replace the sensor

Posted on Aug 22, 2010

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Posted on Jan 02, 2017

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2000 silverado knock sensor issue


I think it not real probable that the cause of your knock sensor code is the result of bad gas. However, I suppose it IS possible. Most knock sensor codes are caused by engine mechanical problems like bad pully bearings, loose timing chains, broken valve springs, collapsed valve lifters, etc. that would cause a "knocking" or "tapping" in the engine.

The next most probable cause would be damaged knock sensor wiring. I have fixed many that have had damage from rodents getting into the engine compartment and chewing on the wires. Depending on which engine your Silverado is equipped with, the knock sensor could be mounted between the cylinder heads in the valley under the intake manifold. Mice like it under there.

Then again, it all depends on WHAT KIND of knock sensor code you are getting. For 2000 Silverado there are 3 possible knock sensor codes: P0325, P0327, P0332. The diagnostics (and possible causes) change depending on which code you have.

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I have a 93 chevy 1500 4x4 5.7. What will make it miss realy bad and spark knock? I have changed the cap, rotoe, coil, plugs, fuel filter, collant temp sensor and timed it and it still does it..


do you check the egr valve or the selenoid ........ look with the engine runing pull the trotle cable to rev the engine check the diagram from the egr valve is going to move at all times and the engine is going to missfire ........ then desconect the little hose from the egr selenoid rev the engine 2000 rpm you will see the diference

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Knock engine sensor light on truck is hesitating/


Did they replace the knock sensor?Check the wire going to the sensor(knock).Look for a bare place hiting up against something ,grounding it out.Make sure the plug to knock sensor is good.And make sure it is making a good connection,Knock sensors also ground a part of the computer to feed back imformation.This connection is a must,the truck will not perform at all,stumble,miss,and carry on.Sometimes even backfire.If they did not replace the knock sensor,replace it with high quality sensor from NAPA,or oem from dealer.This sensor has to be made perfect,no room for inperfection.The knock sensor is easy to replace,they just screw in a hole in the block.When removing the sensors,nothing will come out such as oil or water,this is a dry threaded hole.It is a bell shaped sensor.If you don`t know which sensor is bad,purchase one.replace one,and if there is no change,replace the other side with the old sensor you just took out,it will be a good one.I hope this helps you,Let us know if it does.

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I have a 2000 neon with a 2 liter, it has a skip in the motor.it is a pretty bad miss i can barely take off. i hold the pedal then after a few seconds(5-10) it finally takes off but with no power a bad...


on the plugs that you changed did you notice a black carbon trace on the ceramic part of either one of the plugs,if there is this means the wire is firing to the ceramic part of the plug, you will need plug wires, if any mark on plugs you just installed replace them also

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Have you changed all the plugs to platinum and wires? My xterra was doing that and I changed all of them and now it runs great. Also, I changed the distribitor cap and rotor button.

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1997 Chevy Silverado problem


hi, ok I'm sure you tried alot of solutions, I think the ECU has governed the engine must have sensed a previous problem or its just a malfunction from a sensor, important sensor to check is the 'engine knock sensor' try disconnecting and reconnecting it or test with multimeter and compare all readings with a new engine knock sensor or disconnect and reconnect battery, the other way might be to reset the engine managment system, this however I dont know but your dealer can do this for you.

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