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On my 2014 Mazda5 van, I'm running stock 16" alloy wheels for three seasons with all-season tires and will soon put on Mazda6 16" steelies with winter tires for the cold time of the year. I'm pretty sure the existing lug nuts are stock OEM. Should I use a different set for the steel wheels or...

I know we have a lot folks here familiar with Cooper's CS5 tires. I've had a set of 215/60R16 95H Ultras for about 14k miles now (on 2009 Hyundai Sonata). Nothing extreme: no towing, high loads, offroading, etc. I'm doing about 1k miles/month in a mix of highway and city driving. Rotated them...

The vehicle is 2014 Mazda5 with 5-speed A/T, close relative of Mazda3 except not-SkyActiv. I should have got a sample at 32K miles when I did the first service but didn't. Both were just one-time drains w/o any additional work. The FF should be Mazda type M5. The fluid I put in at 32K miles and...

Given the rate at which tires on my 2014 Mazda5 van are wearing, I'll probably need to get a set soon to put on late this year or early next year. Will probably get a set of snows too. The vehicle was originally equipped with Toyo A20 205/55R16 89H tires that most owners complained about due to...

For reference, here is my previous UOA post: https://bobistheoilguy.com/forums/ubbthreads.php/topics/4018614/Castrol_GTX_Synblend_5w20_6k_m This sample included a mix of 5w30 and 5w20 Castrol GTX synblend with a very little bit of left over M1 0w40. So as expected it was effectively a 5w30...

My brand new mower, Poulan self-propelled w/ Briggs & Stratton 625 series engine, is running well but after using it for about an hour today, noticed that the foam air filter was soaked in fuel. Some fuel even leaked out on the deck. Is this a carb issue? I don't know if there is a simple fix or...

Here is my third report for 2009 Hyundai Sonata (2.4L and A/T). Used NAPA kit but same lab as last time (Wix kit) -- ALS in Atlanta. Out: Castrol GTX Synthetic blend 5w-20 & OEM filter In: Castrol GTX Synthetic blend 5w-20 and 5w-30 mix & OEM filter I think this is the longest OCI in terms of...

Purchased the car in August. It's a 2014 Mazda 5 van with 2.5L engine and 5-speed A/T. Dealer claims to have changed oil at 30,600 miles in June with 0w-20 synthetic (don't know brand). I figured I'd change it at 34K just in case besides it's close to OM interval in terms of time. Everything...

This is my first used ATF analysis on this vehicle and in general. While it's been 16k miles since last change, I only do drain-and-fill changes so only about 50% of fluid comes out. Previous services were at 33K and 63K miles. Only OEM SP-III was used both times. At the 79k miles (last) change...

After an accident -- everybody is ok to my knowledge which is a blessing -- my old '02 Subaru Forester will be totaled. Real bummer. So now looking to replace the car. First thought was to go with a Subaru Forester or another crossover SUV with AWD. The 2009MY and newer Foresters appeal to us as...

Here is another report for my '09 Sonata GLS with 2.4L. Oil changed both times. First one was six months ago (Blackstone, no TBN) and this most recent one I analyzed via a pre-paid Wix 24077 kit. Both were with OEM filters. The only surprise to me is potassium getting higher with sodium and...

My longest OCI on my '09 Hyundai Sonata GLS (2.4L I4, auto). Usually doing 4K miles. First UOA on this engine. Pleased with the results. Blackstone folks recommend extending OCI to 8K next time which I am not planning on doing as what I replaced Mobil 1 with was a mix that included mostly 5w-20...

Wanted to know if oxygen sensors have shelf life. I am assuming one that is two or three years old should be just fine but what about an eight or ten year old part? I've seen some on sale here and there on CL, eBay, parts stores that had old date stamps and/or were in pretty beat up packaging...