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Engine knock can be caused by several things. Carbon deposits in the engine can effectively raise the compression ratio of the cylinder. When accelerating, the cylinder gets filled with more fuel and air, and the higher compression ratio causes knocking.
Other possible culprits could include spark plugs being too hot or your timing being off.
What else can I help you with?
Would a bad torque converter cause the motor to knock?
No, it will not cause the engine to knock.
Knocking noise when accelerating?
The knocking noise is commonly called spark knock. The knock can be called by the engine timing not being set correctly, or using gas that has too low of an octane for the engine.
Why does the when engine knock when accelerating your 1993 Mercury Grand Marquis?
Because you are about to throw a rod. You need to find a mechanic quick!
Can bad knock sensors damage an engine?
NO, but it will cause bad engine performance
Why does your 93 Cadillac DeVille knock when the engine is accelerating?
If it is more of a ping than a knock then just try running some higher octane fuel in it. If is more of a knock it could be a rod or crankshaft bearing. If it is definitely a knock you should get it looked at right away.
Would a knock sensor cause the engine to run rich?
No it will not.
What courses slight knocking noise of 2.3 litter engine when accelerating at a full load operating?
knock sensor is going bad or is bad
What problem could the knock sensor cause on your car?
If the knock sensor failed the CEL (Check Engine Light) would be illuminated and the engine may "ping" or "spark knock" under load. Serious "spark knock" can damage the engine if allowed to continue.
What is knock sensor?
A knock sensor is a device that senses detonation. Detonation occurs in the engine when the fuel begins to burn prematurely; it can cause substantial damage to the engine.
What is a knock sensor?
A knock sensor is a device that senses detonation. Detonation occurs in the engine when the fuel begins to burn prematurely; it can cause substantial damage to the engine.
What could be the reason for a small knocking sound in the engine of a 2002 Toyota Highlander?
I own an 02 Highlander, and sometimes I get a knock when engine is under load, like going up a hill or when accelerating. This is engine knock caused by low octane gas. When I use a mid grade or premium octane, I do not get the sound at all. .
Any way to temporarily repair plug for Knock sensor on 1993 Chevy blazer k1500 to get it to start to get it home?
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.
