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I d do the 1 under the hood first & see if it works. If not move along to the tank. Make sure you know the procedure so you dont spray gas all over.
Bad time for a smoke.

I agree with NinjaJim, its always a good idea to properly inspect the air intake (accordian) hose. I also wanted to mentioned that a blocked catalytic can result in power loss, it does happen on occasion. If you installed a junk yard cat its a remote possibility. good luck

You should probably invest in a shop book for your mazda, I have a chliton, good for specs(from walmart) but a haynes is more user friendly, u should probably be able to get from auto parts store or canadian tire in Canada. price $25 ish

Sry, if it only acts up when tank is low, little screen on gas tank pickup or pickup, maybe fuel pump or gas cap ?

Under back seat, easy access.

If you get to a stop sign & it stalls, but starts right up after a bit, its probably fuel filter. Change your fuel filter & add some gas line antifreeze (in case of water in gas). Fill her up with super

cheap gas-bad run mx-3

I ve got a 94 and wanna do KLZE swap, i m intersested to know which headers work best since my original front log wont work. I m almost thinking of putting my original 1.8 k8 intake ect so everything will work ok. I can always upgrade later, when i figure out air intake, cpu ect..

Wouldnt it be funny if the valves hit the pistons or some other wierd disasterous situation occured ? Not

It does sound like head gasket. First check your oil cap for grey/whitish foam or sludge (maybe inside valve cover too, check thruogh hole with light). If you have a lot of that, u best do head gasket or change engine, coolant leaking into oil (may show on dipstick as well). Driving like this will w...

Before you do anything check the plastic pipe from Intake (throttle body) to box, your main air intake. If it is cracked it can cause all kinds of grief. another cheap junk yard part & a common problem.

I had almost exactly the same problem last year with mine, took it into mazda and the went through everything (TPS, CPU ect). When i took it in I said I thought it was the distrutor/Coil, thats what it was in the end. I had taken the car into the local garage (not mazda dealer) for compression test,...

As far as I know a compreesion test s/b done with a warm engine, plugs out, to get optimum results. You might find that your psi difference between cylinders is less with a warm engine. sounds like good numbers to me anyways. Since you havent started your engine up, you may have a little more or les...

Nice ride. Did you do the KLZE swap yourself ? Since I have exaclty the same car I was wondering what CPU & sensor setup your running and if your running headers or manifolds.

Did you look on e-bay ?

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I m a past & present mx-3 owner. I started about 5 or 6 years ago with a 94 rs 1.6 twincam 5 spd, loved the car so much because cheap to run & reliable (Parts not that cheap though), fun go cart. Got a chance and upgraded to V-6 few years ago (summer driver only, salt here) and loved my mx-3...