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Could be Timing. Try Premium gas.
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∙ 18y ago
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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.
Can knock sensor cause spark knock?
yes when it is not working properly
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.
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.
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
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.
