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Thanks everyone, is there a consensus on what I would use in both cars-lots of different opinions? And if I switch from 10w30 to 5w20 when I have almost 50k on my engine, will that hurt the engine? And if I switch to Motorcraft or PP will it hurt the engine? Just want to do what's best for both...

I have a 2009 accent and was advised on this website to use mobile 1 synthetic 10w30. My mother just bought a 2011 hyundai accent with 11900 miles on it. Should I use the same oil in hers since it's still a relatively young engine? My engine had 8600 miles on it when I bought the car and it's...

Thanks! I'm a long tripper, drive about 1k miles per week!

So, if I have it right, mobile 1 is a good choice with an oem hyundai filter? Newb question, but does mobile 1 full synthetic come in grades? And if it does, I should use 10w30 during the summer? And change it every 3k? I was a little concerned when I bought it with 8611 miles on it because...

You people are awesome, thanks a ton for the advice! For people that have this car, is it hard to change the oil yourself?

Just rolled over 20k. I bought it with 8611 miles, it had an oil change at 10k by the place I bought it from, probably just used conventional oil. I had the oil changed next at 15k on the 15k mile check at the dealer, they said they used a synthetic blend and I'd be good for at least 5k. I am...

Thanks everyone!! I normally use fram oil filters..any good or no? The oci's have always been between 3-4k since we've had the van.

I've recently had a big sludge problem with one of my vehicles which has me thinking maybe I should switch to synthetic in my wife's 2000 Toyota Sienna mini-van. The van has 125k on it and we've had it since 72.5k and have always used castrol gtx 5w30. It uses about 3/4 quart over 3500 miles...

Mechanic has already cleaned a bunch of [censored] from the top of the engine, that's when the worst clogging started when all of that junk got busted up. I'm probably gonna try a few flushes to see what happens and have an oil pressure gauge installed, I found another vehicle for a few...

Does anyone know if using engine purge/flush additives will also clean the screen if it's gunked up? Or would I still need to take the screen out and have it cleaned if I purge/flush the engine?

Yes, I don't know what the heck is going on, that's why I'm asking on this forum :-) I did drive last night up and down the freeway at 60-70mph, my Mom was driving slower in town. My mechanic hasn't checked the oil pressure. I just have had no time to get it back into the shop.

Hey everyone, Well a quick update and question. My car has been in my garage since last Friday when I picked it up from my mechanic, I had a 1000 mile driving week at work so I couldn't really trust it. I took it out last night and drove it a little over 50 miles and it was fine, no oil light...

Thanks again ya'll. I really do appreciate all of the advice and help. Ok, so what I am thinking is to get a mechanical op gauge to make sure the op is ok. If it is ok, just run it for 500 miles or so (if she'll make it that long) and change the oil, use a conventional oil and mmo and an...

I guess I don't understand. Why would he have to switch out or change the oil pressure switch? It's obvious there is a sludge in the engine and that is what is causing the light to come on, right? And he did clean the screen, twice. Or is there two screens-one sump and one on the pickup tube...

Ok, well here's what happened today. I had decided to have my mechanic take off the valve covers and clean off the valves, then fill with pennzoil platinum synthetic oil and a fram filter and a quart of mmo, he also chgd the pcv valve and valve cover gaskets. I talked to him yesterday when he...

Nice! Thanks! Saves me a trip to Napa!

Ok, I'll head by wal-mart to get the pennzoil platinum and by napa to get the napa gold/wix filter :-) And head by autozone to get the mmo, and head by a toyota dealer to get the pcv valve. :-)

And should I bother with replacing the oil pump at this point? There was a bunch of sludge on the screen the first time this happened, so I know there is sludge in the engine, but I'm not sure if it's worth it to change the oil pump too.

Cool, thanks! I'm getting ready to head out and get some spark plugs and he is going to install those too. So is the pennzoil platinum a 'dino' oil? So many people have said to use the mmo with a dino oil. I'm sorry, I am not used to the abbreviations..what is a WIX filter? :-) I'm going to...

Cool, thanks everyone, this forum has been great and a real lifesaver! I just talked to my mechanic and he's got the valve covers off, he said the sludge is not as bad as he was expecting, so that's good :-) So I'm guessing the screen is gunked up again. I'm going to go with the mmo. So...