The fuel injector cleaner probably loosened up crude in the fuel system, but it did not clean the system entirely. I recommend you have the fuel filter replaced with a new one ,if it has not been changed already. Then the fuel system may need a few more doses of the fuel system cleaner. If the engine trouble light is on , then take the car to Advance Auto or Auto ZOne to have the car scanned for trouble codes, which will pin point the problem more accurately.
SOURCE: Mazda etude alternator genarting excessive heat
1st off you would give everything a good visual examination. Look for
loose alternator belt. Also look for wires that could have
become disconnected or cut that leads to the alternator.
Then you would hook up a volt meter to the battery cables and check the
voltage.
After this you would start the engine and recheck the voltage.
The voltage on a charged battery should read around 12.5 volts. While
the engine is running turn on a few accesories and speed up the idle a
little the voltage should read around 14.5 volts.
If the voltage does not increase suspect either a faulty alternator or regulator.
SOURCE: 1996 Mazda Etude 160 Timing Belt
The timing belt has 123 teeth, and ussualy the marks are little paints. align them together and then you will have ur problem solved.
SOURCE: timing belt setting and my car iddle are out of form mazda etude
Your camshaft and crankshaft pulleys have to be properly aligned upon installation of the timing belt. The cogs on the belt, should fit precisely with the teeth of the pulleys. Your # 1 engine cylinder should be moved to "Top Dead Center" before installing the belt. This means no compression once the top of the piston cylinder reaches the top of the chamber.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/david_62314e5b2470e8b5
SOURCE: My 160i etude 1997 misfires and even mazda agents
it is not carburated injectors are most likley leaking
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