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Could be Timing. Try Premium gas.

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โˆ™ 2005-11-25 14:44:16
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Q: Why exsessive spark knock?
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What could be making a noise like a spark knock in a 2001 Jeep Laredo have replace serpentine belt and tension pulleys - that was not it?

If it is making a noise like a spark knock, maybe it is a spark knock.

Will the knock sensor make the smoke?

No. The knock sensor's purpose is to detect spark knock (pinging) and send a signal to the ECM to temporally retard the timing until the spark knock stops.

What problems do the knock sensor indicate?

The knock sensor detects spark knock or ping.

What are the knock senors for on a 2004 Chevy truck 4x4?

Severe spark knock (pinging) can damage the engine. Knock sensors detect spark knock (pinging) in the engine. They send that info to the ECM (Engine Control Module). The ECM makes temporary adjustments in engine timing to eliminate the spark knock.

Spark knock on 1998 Chevrolet Pickup?

Spark plug knock on a 1998 Chevrolet pickup is an indicator that the ignition timing is correct. By adjusting the timing, the knock can be eliminated.

Why is your engine knocking on BMW745?

knocking as in spark knock? or engine knock? spark knock is adjusted through a knock sensor via ignition timing. eng. knock is due to brg. knock as in low oil pressure or sluge in engine or just a tired motor

Can knock sensor cause spark knock?

yes when it is not working properly

Do you really need knock sensors?

They help control spark knock and the damage they can do.

What is a knock sensor on a 3800 series 2 supercharged motor?

The knock sensor detects spark knock (aka ping), sends that signal to the engine control module (ECM), the ECM retards the timing until the spark knock stops.

What is the 2002 avalanche knock sensor?

The knock sensor sends a voltage pulse to the computer whenever it detects the vibrations caused by metal, such as the conditions caused by the spark knock. When the knock sensor sends a voltage pulse, the computer retards the timingin an effort to stop the spark knock.

How do you stop spark knock?

To stop spark knock , try a higher octane fuel. Make sure that the engine is timed properly and that the spark plug type isn't considered too "hot."

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 does a knock sensor for 2006silverdo?

The knock sensor detects spark knock (ping) and sends that info to the ECM. The ECM makes timing adjustments to stop the ping.

When knock sensor is bad does that affect the pistons or spark?

It changes the TIMING.

What does a knock sensor bank 1 sensor 1 do?

It detects spark knock (ping) then sends a signal to the ECM to retard timing.

What is the function of a knock sensor on a 2000 mercury villager?

the knock sensor monitors preignition,spark knock and sends signal to pcm,pcm responds by adjusting ignition timing and fuel timing until knock is gone.

Ford 4.6 Spark Knock Under load Where is the knock sensor located?

are you sure its not just cheap gas? try some premium or octane boost first. The knock sensor does not prevent engine knock, just senses it.

What is the function of an detonation knock sensor?

The knock sensor detects spark knock or ping and sends a signal to the vehicles putor. The putor takes that information and retards timing in an attempt to eliminate the ping.

Chevy trouble code 43?

Electronic spark control is not receiving sinal from knock sensor Try replacing knock sensor

Location of knock sensor on passat?

The knock sensor on a Passat is located on the side of the engine. It is just below the number two cylinder spark plug.

How do you fixing a spark knock on a 92' Eagle Talon?

Try using higher octane gas if that doesn't do it then you may need to replace your knock sensor

What is a spark knock on a dodge neon?

when u have to much air going in the cylinder and it is blowing the spark out on the sparkplug like lighting a lighter and blowing it out.

Can worn spark plugs cause engine knock?

Worn spark plugs would cause mis-firing or non firing cylinders, both are no good for the engine, replacing the plugs may stop the knock (Could also be a different problem) But you should replace spark plugs as soon as possible.

What does ESC stand for?

ESC stands for Electronic Spark Control it may also stand for Electronic Stability Control. The Electronic Spark Control module will retard the timing if it detects any spark knock or pinging or even other similar sounds made by the engine such as lifter knock.

What is excessive amount of calcium in the blood?

EXSESSIVE amount of calcium is called hypercalcemia