Question about 2002 Chevrolet TrailBlazer

1 Answer

Knock in engine

Loss of power and knock in engine. knocking gets louder when engine gets hot and when revving motor. cam position sensor code, but put new one in, still same noise. Hey Guys,
I just bought a 2002 trailblazer LS. I noticed when I first started the truck at the dealer it sounded like a deisel motor until it warmed up.The truck hasen't lost any power,it's very strong. But the other day I took a 300 miles round trip.It ran fine,when I got back home I went to the drive thru and the motor was tapping very loud. My brother is a mechanic,he said to put lucas additives.He also said it may be a lifter...?Any thoughts...? I really like the truck and I still have 60 days on the warrenty,just don't know what to do....?
Thanks,Jacomo.

Posted by on

  • mr_yekini Apr 22, 2009

    Hi. I had the same issue. My mechanic told me to add the lucas oil stablilzer to it. I did and I took a 200 mile trip and the stupid thing broke down. I had to replace the motor. I think the additive only added to the quick demise of the motor.

×

Ad

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Expert
  • 202 Answers

The best advice i can give you is take it back to the dealer and let them know of the problem and see if they will fix it since you still have warrenty. because if something catastrophic happens you would be out all of that money.

Posted on Apr 21, 2009

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

What causes a 1989 nissan pickup ping or knock?


Pinging or detonation is caused by the spontaneous combustion in the chamber from incorrect air/fuel ratio and timing. It is most prevalent in lean mixtures under load. Run the fault codes and check for faulty HO2s and O2 sensors as they tell the ECM what mixture and timing is required to stop it

Apr 25, 2014 | Nissan Pickup Cars & Trucks

1 Answer

PO325 code


Error Code: P0325
Description:
Knock Sensor (KS) 1 Bank 1 - Circuit Malfunction
Possible Cause:
Irregular rpm.
Drivability problems.
Loss of power.
Engine damage.

Wiring.
Poor connection, short to earth, short to positive, open circuit.

Knock sensor improperly torqued.
Knock sensor.
Engine control module (ECM).

Possible Solutions:
Torque Knock Sensor 1 to specifications.
Check the resistance of the knock sensor (compare it to factory specs).
Check for broken/frayed wires leading to the sensor.
Replace the knock sensor.
Check Knock Sensor 1 and Knock Control.

Caution:
This feature search for unusual (spontaneous) combustion. The sensor detects unusual vibrations and based on that it generates a voltage. Is this voltage outside a certain limit a DTC will be set.

May 31, 2017 | 2003 Toyota RAV4

2 Answers

1995 toyota camry sound from lower timing cover, and loss of power selectively


Depends if it is a no tolerance motor, which means bent valves.

May 24, 2017 | 1995 Toyota Camry

2 Answers

Land Rover Discovery knocking noise from engine and great loss of power. What is the problem and how expensive is it?


CHECK GROUND WIRES CHECK COIL IGNITION MODULE OR CRANKSHAFT POSITIONING SENSOR IF YOU HAVE ONE

Oct 17, 2012 | Land Rover Discovery Cars & Trucks

2 Answers

05 kia amanti with diagnostics codes p0350,p0320,p0300,p0302,p0303,p0304,p0305,p0306.skipping at times.when it does skip & misfire the rpm gauge goes crazy.this problem is not consitant


Generic OBD II Diagnostic Trouble Codes

DTC CODES P0300 to P0399

P0300....Random/Multiple Cylinder Misfire Detected

P0301....Cylinder 1 Misfire Detected

P0302....Cylinder 2 Misfire Detected

P0303....Cylinder 3 Misfire Detected

P0304....Cylinder 4 Misfire Detected

P0305....Cylinder 5 Misfire Detected

P0306....Cylinder 6 Misfire Detected

P0307....Cylinder 7 Misfire Detected

P0308....Cylinder 8 Misfire Detected

P0309....Cylinder 9 Misfire Detected

P0310....Cylinder 10....Misfire Detected

P0311....Cylinder 11 Misfire Detected

P0312....Cylinder 12 Misfire Detected

P0313....Misfire Detected with Low Fuel

P0314....Single Cylinder Misfire (Cylinder not Specified)

P0320....Ignition/Distributor Engine Speed Input Circuit

P0321....Ignition/Distributor Engine Speed Input Circuit Range/Performance

P0322....Ignition/Distributor Engine Speed Input Circuit No Signal

P0323....Ignition/Distributor Engine Speed Input Circuit Intermittent

P0324....Knock Control System Error

P0325....Knock Sensor 1 Circuit (Bank 1 or Single Sensor)

P0326....Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)

P0327....Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)

P0328....Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)

P0329....Knock Sensor 1 Circuit Input Intermittent (Bank 1 or Single Sensor)

P0330....Knock Sensor 2 Circuit (Bank 2)

P0331....Knock Sensor 2 Circuit Range/Performance (Bank 2)

P0332....Knock Sensor 2 Circuit Low Input (Bank 2)

P0333....Knock Sensor 2 Circuit High Input (Bank 2)

P0334....Knock Sensor 2 Circuit Input Intermittent (Bank 2)

P0335....Crankshaft Position Sensor A Circuit

P0336....Crankshaft Position Sensor A Circuit Range/Performance

P0337....Crankshaft Position Sensor A Circuit Low Input

P0338....Crankshaft Position Sensor A Circuit High Input

P0339....Crankshaft Position Sensor A Circuit Intermittent

P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)

P0341 Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 1 or Single Sensor)

P0342....Camshaft Position Sensor 'A' Circuit Low Input (Bank 1 or Single Sensor)

P0343....Camshaft Position Sensor 'A' Circuit High Input (Bank 1 or Single Sensor)

P0344....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 1 or Single Sensor)

P0345....Camshaft Position Sensor 'A' Circuit (Bank 2)

P0346....Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 2)

P0347....Camshaft Position Sensor 'A' Circuit Low Input (Bank 2)

P0348....Camshaft Position Sensor 'A' Circuit High Input (Bank 2)

P0349....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 2)

P0350....Ignition Coil Primary/Secondary Circuit

Nov 17, 2010 | Kia Amanti Cars & Trucks

1 Answer

Car has a nock tell it gets hot


Did you put a new or used engine in it a new motor shouldnt have a knock in it

Jul 07, 2009 | 1997 Chevrolet Monte Carlo

2 Answers

Knock sensor circuit


The code means there is a problem in the knock sensor circuit, that means the the knock sensor connector wire pins may have a problem, the wiring to the sensor may be damaged, or the PCM may have a problem, and of course the sensor itself, I have one question did you tighten the sensor to the proper inch pound setting of torque? if not this can cause a code to set because the sensor does not vibrate as designed to send a signal of a engine knock/ping.

Oct 16, 2008 | 2001 Chevrolet Venture

2 Answers

Knock in engine


Hello,

will831, If you will go to your local auto parts store and get an additive that is called Lucas Oil Treatment, it may helps to stop or quiet the knocking that you are experiencing. Also, Lucas has a great fuel additive that cleans your fuel injectors. I highly advise using both of these products intermittantly, to keep your engine in great shape.


Respectfully,

Terry

May 15, 2008 | 2003 Chevrolet TrailBlazer

Not finding what you are looking for?
2002 Chevrolet TrailBlazer Logo

295 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

76164 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8273 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...