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Tapping went away, likely because of the warmer weather. No sense in taking to dealer or changing filter, so it's a wait and see :/

I've used Kirkland for the last 3 oil changes. Noise has been happening for maybe 2-3 weeks. Might be correlates to the newest oil change with WIX filter but it could be a coincidence.

I've been using Kirkland or Pennzoil 0W-20 with the OEM mazda oil filter. I changed the oil about a month ago using the Wix CX5 filter and Kirkland 0W-20.

The stain isn't from the oil drain area. I'll have to take a closer look. Noise was there this morning and over weekend when temps were below 45 F, even after trying the air bleed thing. This afternoon temp is 55+ F and noise went away. Anyone know how serious the problem is? Ok to drive...

2018 with the same ticking noise Video with sound of ticking Oil(?) stain here, I didn't notice tons of oil around the engine, but I also didn't look super close. Described in TSB 01-002/21 https://mazdas247.com/forum/attachments/mc-10191534-0001-1-pdf.298846/ Bleeding procedure didn't...

You're right on both fronts, the oil light is the amber one. The other issue was for 19V-497 / 3719F : A software error within the powertrain control module (PCM) may cause the vehicle to stall while driving. This can lead to an accident. The software for the powertrain control module (PCM)...

Thanks in advance to all the great folks here. Yet another engine issue post. Have read through the long threads. 2018 w/55K miles NA 2.5 US version, non turbo. Can anyone help with diagnosis? What would you say to the dealer to get the most help without having to pay through the nose? Is...

Dealer did do the TSB for leaking engine oil a week before the 2 low oil pressure warnings came on. Maybe excess sealant went and clogged up the valve a bit.

Thanks for all the info and advice. The CEL light came on 3x over the last 3 years. Each time, the light was on for about 10 mins then went away. Car seems to drive fine and no strange behavior/noise from engine. Ill monitor it and see how things go. Thank you all again!

Check with dealer on this. They used TSB SA-055/20. In that TSB: Oil pressure (reference value) Lo: 135-165 kPa {1.38-1.68 kgf/cm2, 19.6-23.9 psi} [1,500 - 1,600 rpm]* Hi: 225-275 kPa {2.30-2.80 kgf/cm2, 32.7-39.8 psi} [4,500 - 4,600 rpm]* Oil temperature: 80-90 °C {176-194 °F}, Coolant...

Did they use the wrong ocv? Any suggestions for next steps/get the issue fixed? Call Mazda corporate like you suggested earlier? Any leg to stand on if the check engine light doesn't come back?

Based on the dealer service notes, looks like they replaced the oil control valve. From the service notes: "B0226DrX OCV for Hydraulic Variable Valve Timing" 25035 WM (not sure what this line item is) PYFA-14-440C C00 Valve, Oil Control PY8W-14-365 Gasket They found the PSI @4,500 was...

Oh my, that much to repair? Car drives ok otherwise, dont notice any adverse affects.

I have record of the low oil pressure because they applied the TSB for it a couple years back. What's the benefit of MNAO case? Any suggestions on who to contact and what type of case to create?

I don't notice any valve tapping noise. My 3yr/36k warranty expired last month. :(

I change the oil myself using 0w-20 pennzoil and the OEM 1WPE-14-302 oil filter. The CEL light went off and came back on again. I think this if 5x since we got the car new 3 years ago.

I got the P0524 low oil pressure check engine light again on my 2018 CX5. I've had: 1) The cylinder deactivation TSB done a couple years ago 2) The engine oil leak TSB done about 2 months ago 3) The tensioner oil leak TSB done about 2 months ago I checked oil level, it is between the low...

Forgot to update. The dealer used the TSB to fix the leak. They didn't have to drop the engine. Driven about 200 miles since, no sign of leak, but guessing it's too early to tell right now. So far so good though.

I was suprised about engine drop. The guy said they didnt think they had enough clearance to access everything. I sent them the TSB. Anyone in Central MA had this done? Which dealership did you go to?

Dealer confirmed timing chain cover leak. Stated they assumed the oil stains on the plastic shield was left from sloppy oil change :rolleyes:. Although they are friendly and have a convenient valet/loander program, I've needed to do a lot of the research / suggestions on my own. Otherwise...