knock

Hi guys, Today I turned the radio off and I noticed a 'knocking' noise everytime I resumed from hold while using the active cruise control. I'll try to upload a video later but, anyone has this issue? Is it normal? Never hear it before. This is a Cx-9 2018 GT.

Hey all. Mystery engine noise. Sporadic sometime, sometimes all the time. Sounds like a rattling noise from the mid-engine section, though sounds like it is coming from the head area. Most of the noise sounds like it's coming from the belt end of the engine. I will attach a clip. Any and...

Hi I have a 2000 Mazda Protege LX with the (1.6L DOHC) ZM-DE engine, and since it was new, I detected a noise at aprox. 2,400 rpms in 2nd gear, at that time my father was the owner and he at the next fill up he refilled with 93 Octane Gasoline and the noise disappeared, now i have that car and...

SOLD SOLD SOLD Purchased a complete running/driving 01 Protege LX 2.0 with 130k on it to have a known good running engine for my MSP. Plans have changed and I am no longer going to repair the MSP so this engine is now available (and the MSP is being parted out). The female previous owner had...

is leaking oil... for reference this is the sensor a few inches above the oil filter on the back of the block. I see a bit of oil drip on the black cable that connects to the silver bolt. there is also some black goopy stuff on it. can i just take this sensor out and fix the leak then put it...

Looking for a little help and information about the dash hawk and what parameters I and others should be watching? Currently I am running the 6 parameter display but can not figure out Knock retard... and am open to hear what others are using for a display and whats working. thanks very much.

hey everyone - anyone have any idea what this could be? Has been happening for a few weeks now. As i slow down i can hear a knocking coming from the back of the car. But now it sounds like it's happening throughout the car. ha, great huh? I'm wondering if it's something to do with rotors, or...