I bought a 00 Contour 2.5L Duratec DOHC from an auction for 500$. It was miss firing pretty bad along with a ticking sound that pretty much is a steady tick weather idle or moving. I changed the plugs and wires an d oil and filter. WA LA car runs great lots of power, but the ticking is still there. People tell me that some off these oil and fuel additives work wonders, so I put rislone in the oil today and a fuel additive as well. The valve lifter got louder. I have only driven about 5 to 7 miles since the additive. One person said its normal to get louder cause the additive thins out the oil. Is this the case if so how many miles should I drive it before changing the oil and filter again? Also if this is this case what kind of oil should I put in when I change oil again? If you think this is not the case please explain your thoughts. FYI a diagnostics computer did not show any codes regarding the lifters, in fact it showed nothing.Thanks,Josh
Diagnostic computers do not diagnose mechanical parts. The lifters have no sensors on them to diagnose. Engine diagnostics are used to diagnose OBD problems or performance issues, not noise problems. By adding the oil additive you change the viscosity of the oil and in doing so, you alter the oiling efficiency of the motor. Get rid of the additive, and just use a good quality oil. If your lifters are making noise, oil additives are not going to do much to help it. The lifter tap is caused by a wearing out of the lifters and rockers that causes a gap between them. The oil is not going to fix that gap. Sometimes lifters can be adjusted, but often the top end of the motor just has to be rebuilt if it becomes a serious issue. Also, some vehicles have hydraulic lifters, and messing with your oil viscosity will make things much worse.
Hey guys, this wasnt his homework. This is an online English class called grammar and Composition. He intentionally cheated on his test. This was one part of his test, but he lied to you all. I know all these since I took this class, too. People please doubt if someone says it's homework. They cheat all the time
You should do your own homework, particularly when it's this easy, but since Tessa did it for you, I'll point out that she missed three. Now see if you can get someone else to find them for you, or, if you're really desperate, try finding them yourself. Update: Abby missed three, Katie missed six and put in a wrong one. Don't worry, any of you. By the time you're my age, English will have been reduced to one word, duh.
Oil Additives For Noisy Lifters
Generally lifters won't generate a code. Also generally modern oils are formulated with many additives to clean and protect your engine. Additives also have many additives. The two are not always compatible. Contrary to all the old wives tales and the advertising by the additives makers, they are not needed and some are down right harmful. Most car manufacturers advise against using them.
