2005 Mazda Mazda6 Q&A
2005 Mazda Mazda6 Question: loud knocking in engine
My 2005 Mazda 6 2.3cylinder 4L. Had a loud ticking from top of engine. I changed the oil every 3000 miles. After the third oil change the loud ticking became a loud knocking. How am i t figure out the problem and how do i fix it myself?? Plz email me back asap at (firstname.lastname@example.org) Its my only vehicle need to fix asap!! Trevor Whiting - Trevor2119
How many miles are on this car and are you the original owner? Try a thicker oil, like a 20-50 to see if that makes any difference, but don't use 20-50 in the winter!! How dirty is your oil when you check it? The ticking sounds like sticking lifters. If they get bad enough, they can ruin a cam, I have seen this happen. What weight and type of oil are you using? - dandd
I had that problem and I was getting suggestions all the way to motor replacement.I took it to the shop and they found a solenoid on the egr system that was making the noise. They had to go into the computer and disable that solenoid because even after replacing solenoid the tick continued.After that it was quiet and ran like new again.It actually never ran bad it just sounded like it was falling apart. - c4nier
hit a dip in the road and started a knocking sound
When I start the engine it rattles loudly but goes away when I am up to speed. When I start the engine it makes the tapping/knocking sound, and gets louder when I accelerate. Once the car warms up...