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I had a heater hose blow off of my 85' 626 and I warped the head. I swapped it with the head from my parts car. I reused the original head gasket and head bolts. 😂 I just sprayed both sides of the gasket with copper silicone spray gasket. It worked for over 2 years before I sold the car. (I...

The car will run fine without a pre-cat, but you'll get the P0421 code. That is usually eliminated with the non-fouler trick. Make sure it's got M18 metric threads as well as your O2 sensor bung on your header. (I kinda think that is the standard O2 sensor size?, but not everything is...

Check the adjustment of your shifter cable and your TR switch. https://mazdas247.com/forum/t/ouch-screwed-up-the-neutral-safety-switch-install-no-park-starts-in-neutral.123878112/#post-6763565

The fuel pump housing contains the high pressure fuel filter. The filter sock is the low pressure filter. https://mazdas247.com/forum/t/how-to-change-your-fuel-filter-lots-of-pics.123829616/ Here's a link to the service manual for your car,.. https://www.floptical.net/mazda/

When I replaced my downstream O2 sensor, I cleared the code that day. I followed this,.. The hardest part for me was revving the engine at 5000 RPMS in neutral for 15 seconds. That just seemed so wrong. How to blow up your car in 15 seconds flat !! 😂

Been there, done that. 😂 Just an FYI, the distance between the low mark and full mark is exactly 1 liter, and wait ten minutes after shutting off your engine to check the oil so it has time to drain out of the cylinder head and dipstick tube. NEVER let your oil go below the low mark or you...

That happened to another guy. He just sprayed down the linkage with lube and got it going again. That valve actuator doesn't get much use and can seize up. It only operates when you first start your car, and if the car is warm, it doesn't operate. The VICS shutter valve operates every time the...

Do this test to find out if it's your valve seals or your piston rings. Chances are REALLY good that it is not your valve seals.

This is just an air filter. You just pull it off and put it on the proper port if the valve connects differently.

The P1569 is in this manual,.. https://www.floptical.net/mazda/ It's an old Mazda specific code. The same code is seen as P2009 with generic readers where they call it an intake runner. You need a new VTCS solenoid valve. You may as well get a VICS solenoid valve too while your at it. We've...