when the truck has been driven 20 to 30 miles you can hear a noise comming from left front
The knock sensor detects spark knock (ping) and sends that info to the ECM. The ECM makes timing adjustments to stop the ping.
The knock sensor detects spark knock or ping.
Z2 is the name of ping golf clubs knock-off ping called them "ping zing"
Ping.
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.
The knock sensor retards the engine timing when there is a knock or ping detected. This will make the car a little sluggish. It is rare that the knock sensor goes bad.
Ping under acceleration or under load.
It detects spark knock (ping) then sends a signal to the ECM to retard timing.
Low octane fuel, timing to far advanced, overheating.
Allowing an engine to ping excessively can do serious damage.
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.
A bad knock sensor would illuminate the check engine light and allow the engine to ping (spark knock). The engine doesn't shift, the transmission shifts.