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1. #1998 mazda protege check engine light cracked
2. #1998 mazda protege check engine light code
3. #1998 mazda protege check engine light plus
4. #1998 mazda protege check engine light crack

They seller originally told me that they replaced the entire exhaust from the catalytic converter to the muffler.

#1998 mazda protege check engine light crack

Ok from what I know the engine looks dirty and grimy I originally thought it is leaking from the valve cover gasket and being burned off, the crack is pretty much right before you get from the manifold to the flexpipe toward the bottom, I only said burning oil because when you start the car you can smell the burnt oil along with exhaust fumes from the crack in the manifold.

#1998 mazda protege check engine light code

You may have leaking valves, or cylinder blow by problems that are causing the oil burning problem.and THAT may be whats causing the sustained misfire, of which eventually burned up your exhaust system.a crack by itself shouldn't blink the ecu constantly, and shouldn't do anything to oil 'll just drive like shat until you get it fixed, and may throw a solid code from time to time.but flashing.you have a lot going on it seems. The bigger problem though.is possibly what caused it.I'm not sure on 98 models.but 99+ model ecu's only flash the ecu for sustained mis fire conditions.so its a p0300-304 code, meaning its misfiring non-stop.a mis fire will cause unburned gasoline to get inside of a hot exhaust pipe.in which it'll ignite there.and quickly burn up the manifold and/or catalysts.įirst.fix the crack.replace the part, have it welded, whatever.while doing this, see if the catalysts check out.chances are they are now dead too at least if you continued trying to drive with a constant misfire condition.if after the system is in check.you still get misfire problems.stop driving, you're just going to recreate the problem again.and i'd look into coils, plugs, wires, etc.to see what exactly is causing the misfire.

#1998 mazda protege check engine light cracked

I love this car.If your problem is ONLY a cracked exhaust shouldn't have any effect on burning oil.Ī crack in the exhaust, depending on its location, can cause some funny stuff though.the system relies on pulse vacuum to help pull burned gas out of the chambers.a leak will ruin that vacuum, causing something known as exhaust reversion.in which pressure builds up in the wrong direction around the crack.the cylinders will 'push' the burned gas out, but the pressure gradient will stall it and try to push the exhaust gas back in.causing poor driveability, ridiculous idle, and hesitation in various rpm ranges.ĭepending on where the crack is.it can also interfere with the primary o2 sensor readings.making the engine mismatch fuel requirements in light load conditions and idle.making the problem even worse. My check engine light has been on for over a year, and I haven’t had an oil change in 20k miles and it needs tie rods and an axel and the suspension is shot and it has frame damage. It’ll always start in the cold and will just keep going. If you find yourself in a place where you’re considering purchasing a Mazda protege I recommend it highly.

#1998 mazda protege check engine light plus

I’m 21 and I got my Mazda in 2016 and it had about 65k miles on it when I got it and now has 126k and it’s had a few issues that would have occurred naturally but I’ll admit I’ve put a lot of wear on this car plus been in multiple accidents where I was rear-ended so it does need quite a few more expensive replacements but those are due to specific issues cents that have damaged my car but other than those this car is super reliable and it’s the perfect size for me honestly and it’s been an amazing first car and I wish I didn’t have to replace it but the repairs are too expensive, I would even get a newer model if they hadnt been discontinued.