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Usually worn out rod bearings. This can be caused by wear or repeated pinging. Usually, if there is knocking in the engine, you are not getting adequate oil to the engine. What is happening is that there is no oil to lubricate the rods and pistons as they are moving inside the head and so it is causing the knocking noise. If you have filled you oil and still hear the knocking, the main filter in the oil pan could be clogged. This happened to me. You do not want it to go on too long because you will blow your engine.
What else can I help you with?
What causes a 3.1 Chevy lumina motor to knock?
if you dont have any oil in the cars motor that would be a reasin why its knocking
What causes diesel knock on Mercedes?
It could be lifters ir maybe the car ran hot and the motor damaged.
Would a bad torque converter cause the motor to knock?
No, it will not cause the engine to knock.
What causes the knock sensor code?
what causes the knock sensor code on a 2002 Kia Spectra. Thank You sreddish@neo.rr.com
What can happen if a knock sensor is bad?
the motor could pre-detonate or "knock" that can cause damage
Diagnosing engine knock in 97 astro van?
check the anti knock sensor on the side of the motor
What does a knock sensor control?
it reads if your motor is knocking. say bad rod bearings or loose valves. it will kick your check engine light on if it reads knock from the motor.
What causes a suburban to knock?
because their is no doorbell
What causes car to knock?
You being a pervert.
Need to know if brc 61 connecting rods will work in 350 chev motor and if they are 6 rods?
yes brc 61 rods will work in a small block chevy motor. there come in diffrent rod lenghts . i have a set of 5.7brc rods. you can goggle brc for spec. on all there rods but there dont make rods or cranks any more,just pistons. if you would like to buy the set that i have ,i would sell them to you. cheap! you can email me at jamesfoneil@gmail.com
1998 Nissan Altima where is the knock sensor located?
Motor
What does it mean when its a knock in motor?
It's time for a new engine.
